89434280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 234420480

約数和(自身を除く): 144986200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 67, 68, 85, 104, 130, 134, 136, 151, 170, 221, 260, 268, 302, 335, 340, 442, 520, 536, 604, 670, 680, 755, 871, 884, 1105, 1139, 1208, 1340, 1510, 1742, 1768, 1963, 2210, 2278, 2567, 2680, 3020, 3484, 3926, 4355, 4420, 4556, 5134, 5695, 6040, 6968, 7852, 8710, 8840, 9112, 9815, 10117, 10268, 11390, 12835, 14807, 15704, 17420, 19630, 20234, 20536, 22780, 25670, 29614, 33371, 34840, 39260, 40468, 45560, 50585, 51340, 59228, 66742, 74035, 78520, 80936, 101170, 102680, 118456, 131521, 133484, 148070, 166855, 171989, 202340, 263042, 266968, 296140, 333710, 343978, 404680, 526084, 592280, 657605, 667420, 687956, 859945, 1052168, 1315210, 1334840, 1375912, 1719890, 2235857, 2630420, 3439780, 4471714, 5260840, 6879560, 8943428, 11179285, 17886856, 22358570, 44717140, 89434280]

約数ペア:

[(1, 89434280), (2, 44717140), (4, 22358570), (5, 17886856), (8, 11179285), (10, 8943428), (13, 6879560), (17, 5260840), (20, 4471714), (26, 3439780), (34, 2630420), (40, 2235857), (52, 1719890), (65, 1375912), (67, 1334840), (68, 1315210), (85, 1052168), (104, 859945), (130, 687956), (134, 667420), (136, 657605), (151, 592280), (170, 526084), (221, 404680), (260, 343978), (268, 333710), (302, 296140), (335, 266968), (340, 263042), (442, 202340), (520, 171989), (536, 166855), (604, 148070), (670, 133484), (680, 131521), (755, 118456), (871, 102680), (884, 101170), (1105, 80936), (1139, 78520), (1208, 74035), (1340, 66742), (1510, 59228), (1742, 51340), (1768, 50585), (1963, 45560), (2210, 40468), (2278, 39260), (2567, 34840), (2680, 33371), (3020, 29614), (3484, 25670), (3926, 22780), (4355, 20536), (4420, 20234), (4556, 19630), (5134, 17420), (5695, 15704), (6040, 14807), (6968, 12835), (7852, 11390), (8710, 10268), (8840, 10117), (9112, 9815)]