398080920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1105

約数の個数: 128

約数和(自身を含む): 1244989440

約数和(自身を除く): 846908520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 113, 120, 124, 155, 186, 226, 248, 310, 339, 372, 452, 465, 565, 620, 678, 744, 904, 930, 947, 1130, 1240, 1356, 1695, 1860, 1894, 2260, 2712, 2841, 3390, 3503, 3720, 3788, 4520, 4735, 5682, 6780, 7006, 7576, 9470, 10509, 11364, 13560, 14012, 14205, 17515, 18940, 21018, 22728, 28024, 28410, 29357, 35030, 37880, 42036, 52545, 56820, 58714, 70060, 84072, 88071, 105090, 107011, 113640, 117428, 140120, 146785, 176142, 210180, 214022, 234856, 293570, 321033, 352284, 420360, 428044, 440355, 535055, 587140, 642066, 704568, 856088, 880710, 1070110, 1174280, 1284132, 1605165, 1761420, 2140220, 2568264, 3210330, 3317341, 3522840, 4280440, 6420660, 6634682, 9952023, 12841320, 13269364, 16586705, 19904046, 26538728, 33173410, 39808092, 49760115, 66346820, 79616184, 99520230, 132693640, 199040460, 398080920]

約数ペア:

[(1, 398080920), (2, 199040460), (3, 132693640), (4, 99520230), (5, 79616184), (6, 66346820), (8, 49760115), (10, 39808092), (12, 33173410), (15, 26538728), (20, 19904046), (24, 16586705), (30, 13269364), (31, 12841320), (40, 9952023), (60, 6634682), (62, 6420660), (93, 4280440), (113, 3522840), (120, 3317341), (124, 3210330), (155, 2568264), (186, 2140220), (226, 1761420), (248, 1605165), (310, 1284132), (339, 1174280), (372, 1070110), (452, 880710), (465, 856088), (565, 704568), (620, 642066), (678, 587140), (744, 535055), (904, 440355), (930, 428044), (947, 420360), (1130, 352284), (1240, 321033), (1356, 293570), (1695, 234856), (1860, 214022), (1894, 210180), (2260, 176142), (2712, 146785), (2841, 140120), (3390, 117428), (3503, 113640), (3720, 107011), (3788, 105090), (4520, 88071), (4735, 84072), (5682, 70060), (6780, 58714), (7006, 56820), (7576, 52545), (9470, 42036), (10509, 37880), (11364, 35030), (13560, 29357), (14012, 28410), (14205, 28024), (17515, 22728), (18940, 21018)]