98425880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4951}}^1$

素因数の和:5040

約数の個数: 64

約数和(自身を含む): 256711680

約数和(自身を除く): 158285800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4951, 4970, 9902, 9940, 19804, 19880, 24755, 34657, 39608, 49510, 69314, 99020, 138628, 173285, 198040, 277256, 346570, 351521, 693140, 703042, 1386280, 1406084, 1757605, 2460647, 2812168, 3515210, 4921294, 7030420, 9842588, 12303235, 14060840, 19685176, 24606470, 49212940, 98425880]

約数ペア:

[(1, 98425880), (2, 49212940), (4, 24606470), (5, 19685176), (7, 14060840), (8, 12303235), (10, 9842588), (14, 7030420), (20, 4921294), (28, 3515210), (35, 2812168), (40, 2460647), (56, 1757605), (70, 1406084), (71, 1386280), (140, 703042), (142, 693140), (280, 351521), (284, 346570), (355, 277256), (497, 198040), (568, 173285), (710, 138628), (994, 99020), (1420, 69314), (1988, 49510), (2485, 39608), (2840, 34657), (3976, 24755), (4951, 19880), (4970, 19804), (9902, 9940)]