19699843840

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^2$

素因数の和:295

約数の個数: 216

約数和(自身を含む): 50105921040

約数和(自身を除く): 30406077200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 67, 80, 89, 116, 128, 134, 145, 160, 178, 232, 256, 268, 290, 320, 335, 356, 445, 464, 536, 580, 640, 670, 712, 890, 928, 1072, 1160, 1280, 1340, 1424, 1780, 1856, 1943, 2144, 2320, 2581, 2680, 2848, 3560, 3712, 3886, 4288, 4640, 5162, 5360, 5696, 5963, 7120, 7424, 7772, 7921, 8576, 9280, 9715, 10324, 10720, 11392, 11926, 12905, 14240, 15544, 15842, 17152, 18560, 19430, 20648, 21440, 22784, 23852, 25810, 28480, 29815, 31088, 31684, 37120, 38860, 39605, 41296, 42880, 47704, 51620, 56960, 59630, 62176, 63368, 77720, 79210, 82592, 85760, 95408, 103240, 113920, 119260, 124352, 126736, 155440, 158420, 165184, 172927, 190816, 206480, 229709, 238520, 248704, 253472, 310880, 316840, 330368, 345854, 381632, 412960, 459418, 477040, 497408, 506944, 530707, 621760, 633680, 660736, 691708, 763264, 825920, 864635, 918836, 954080, 1013888, 1061414, 1148545, 1243520, 1267360, 1383416, 1526528, 1651840, 1729270, 1837672, 1908160, 2027776, 2122828, 2297090, 2487040, 2534720, 2653535, 2766832, 3303680, 3458540, 3675344, 3816320, 4245656, 4594180, 5069440, 5307070, 5533664, 6917080, 7350688, 7632640, 8491312, 9188360, 10138880, 10614140, 11067328, 13834160, 14701376, 15390503, 16982624, 18376720, 21228280, 22134656, 27668320, 29402752, 30781006, 33965248, 36753440, 42456560, 44269312, 55336640, 58805504, 61562012, 67930496, 73506880, 76952515, 84913120, 110673280, 123124024, 135860992, 147013760, 153905030, 169826240, 221346560, 246248048, 294027520, 307810060, 339652480, 492496096, 615620120, 679304960, 984992192, 1231240240, 1969984384, 2462480480, 3939968768, 4924960960, 9849921920, 19699843840]

約数ペア:

[(1, 19699843840), (2, 9849921920), (4, 4924960960), (5, 3939968768), (8, 2462480480), (10, 1969984384), (16, 1231240240), (20, 984992192), (29, 679304960), (32, 615620120), (40, 492496096), (58, 339652480), (64, 307810060), (67, 294027520), (80, 246248048), (89, 221346560), (116, 169826240), (128, 153905030), (134, 147013760), (145, 135860992), (160, 123124024), (178, 110673280), (232, 84913120), (256, 76952515), (268, 73506880), (290, 67930496), (320, 61562012), (335, 58805504), (356, 55336640), (445, 44269312), (464, 42456560), (536, 36753440), (580, 33965248), (640, 30781006), (670, 29402752), (712, 27668320), (890, 22134656), (928, 21228280), (1072, 18376720), (1160, 16982624), (1280, 15390503), (1340, 14701376), (1424, 13834160), (1780, 11067328), (1856, 10614140), (1943, 10138880), (2144, 9188360), (2320, 8491312), (2581, 7632640), (2680, 7350688), (2848, 6917080), (3560, 5533664), (3712, 5307070), (3886, 5069440), (4288, 4594180), (4640, 4245656), (5162, 3816320), (5360, 3675344), (5696, 3458540), (5963, 3303680), (7120, 2766832), (7424, 2653535), (7772, 2534720), (7921, 2487040), (8576, 2297090), (9280, 2122828), (9715, 2027776), (10324, 1908160), (10720, 1837672), (11392, 1729270), (11926, 1651840), (12905, 1526528), (14240, 1383416), (15544, 1267360), (15842, 1243520), (17152, 1148545), (18560, 1061414), (19430, 1013888), (20648, 954080), (21440, 918836), (22784, 864635), (23852, 825920), (25810, 763264), (28480, 691708), (29815, 660736), (31088, 633680), (31684, 621760), (37120, 530707), (38860, 506944), (39605, 497408), (41296, 477040), (42880, 459418), (47704, 412960), (51620, 381632), (56960, 345854), (59630, 330368), (62176, 316840), (63368, 310880), (77720, 253472), (79210, 248704), (82592, 238520), (85760, 229709), (95408, 206480), (103240, 190816), (113920, 172927), (119260, 165184), (124352, 158420), (126736, 155440)]