42891100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 107993088

約数和(自身を除く): 65101988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 863, 994, 1420, 1726, 1775, 1988, 2485, 3452, 3550, 4315, 4970, 6041, 7100, 8630, 9940, 12082, 12425, 17260, 21575, 24164, 24850, 30205, 43150, 49700, 60410, 61273, 86300, 120820, 122546, 151025, 245092, 302050, 306365, 428911, 604100, 612730, 857822, 1225460, 1531825, 1715644, 2144555, 3063650, 4289110, 6127300, 8578220, 10722775, 21445550, 42891100]

約数ペア:

[(1, 42891100), (2, 21445550), (4, 10722775), (5, 8578220), (7, 6127300), (10, 4289110), (14, 3063650), (20, 2144555), (25, 1715644), (28, 1531825), (35, 1225460), (50, 857822), (70, 612730), (71, 604100), (100, 428911), (140, 306365), (142, 302050), (175, 245092), (284, 151025), (350, 122546), (355, 120820), (497, 86300), (700, 61273), (710, 60410), (863, 49700), (994, 43150), (1420, 30205), (1726, 24850), (1775, 24164), (1988, 21575), (2485, 17260), (3452, 12425), (3550, 12082), (4315, 9940), (4970, 8630), (6041, 7100)]