1394950400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 3649766400

約数和(自身を除く): 2254816000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 79, 80, 89, 100, 124, 128, 155, 158, 160, 178, 200, 248, 256, 310, 316, 320, 356, 395, 400, 445, 496, 620, 632, 640, 712, 775, 790, 800, 890, 992, 1240, 1264, 1280, 1424, 1550, 1580, 1600, 1780, 1975, 1984, 2225, 2449, 2480, 2528, 2759, 2848, 3100, 3160, 3200, 3560, 3950, 3968, 4450, 4898, 4960, 5056, 5518, 5696, 6200, 6320, 6400, 7031, 7120, 7900, 7936, 8900, 9796, 9920, 10112, 11036, 11392, 12245, 12400, 12640, 13795, 14062, 14240, 15800, 17800, 19592, 19840, 20224, 22072, 22784, 24490, 24800, 25280, 27590, 28124, 28480, 31600, 35155, 35600, 39184, 39680, 44144, 48980, 49600, 50560, 55180, 56248, 56960, 61225, 63200, 68975, 70310, 71200, 78368, 88288, 97960, 99200, 101120, 110360, 112496, 113920, 122450, 126400, 137950, 140620, 142400, 156736, 175775, 176576, 195920, 198400, 217961, 220720, 224992, 244900, 252800, 275900, 281240, 284800, 313472, 351550, 353152, 391840, 435922, 441440, 449984, 489800, 505600, 551800, 562480, 569600, 626944, 703100, 706304, 783680, 871844, 882880, 899968, 979600, 1089805, 1103600, 1124960, 1406200, 1567360, 1743688, 1765760, 1799936, 1959200, 2179610, 2207200, 2249920, 2812400, 3134720, 3487376, 3531520, 3918400, 4359220, 4414400, 4499840, 5449025, 5624800, 6974752, 7836800, 8718440, 8828800, 8999680, 10898050, 11249600, 13949504, 15673600, 17436880, 17657600, 21796100, 22499200, 27899008, 34873760, 43592200, 44998400, 55798016, 69747520, 87184400, 139495040, 174368800, 278990080, 348737600, 697475200, 1394950400]

約数ペア:

[(1, 1394950400), (2, 697475200), (4, 348737600), (5, 278990080), (8, 174368800), (10, 139495040), (16, 87184400), (20, 69747520), (25, 55798016), (31, 44998400), (32, 43592200), (40, 34873760), (50, 27899008), (62, 22499200), (64, 21796100), (79, 17657600), (80, 17436880), (89, 15673600), (100, 13949504), (124, 11249600), (128, 10898050), (155, 8999680), (158, 8828800), (160, 8718440), (178, 7836800), (200, 6974752), (248, 5624800), (256, 5449025), (310, 4499840), (316, 4414400), (320, 4359220), (356, 3918400), (395, 3531520), (400, 3487376), (445, 3134720), (496, 2812400), (620, 2249920), (632, 2207200), (640, 2179610), (712, 1959200), (775, 1799936), (790, 1765760), (800, 1743688), (890, 1567360), (992, 1406200), (1240, 1124960), (1264, 1103600), (1280, 1089805), (1424, 979600), (1550, 899968), (1580, 882880), (1600, 871844), (1780, 783680), (1975, 706304), (1984, 703100), (2225, 626944), (2449, 569600), (2480, 562480), (2528, 551800), (2759, 505600), (2848, 489800), (3100, 449984), (3160, 441440), (3200, 435922), (3560, 391840), (3950, 353152), (3968, 351550), (4450, 313472), (4898, 284800), (4960, 281240), (5056, 275900), (5518, 252800), (5696, 244900), (6200, 224992), (6320, 220720), (6400, 217961), (7031, 198400), (7120, 195920), (7900, 176576), (7936, 175775), (8900, 156736), (9796, 142400), (9920, 140620), (10112, 137950), (11036, 126400), (11392, 122450), (12245, 113920), (12400, 112496), (12640, 110360), (13795, 101120), (14062, 99200), (14240, 97960), (15800, 88288), (17800, 78368), (19592, 71200), (19840, 70310), (20224, 68975), (22072, 63200), (22784, 61225), (24490, 56960), (24800, 56248), (25280, 55180), (27590, 50560), (28124, 49600), (28480, 48980), (31600, 44144), (35155, 39680), (35600, 39184)]