10398700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 25640720

約数和(自身を除く): 15242020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 421, 475, 494, 650, 842, 950, 988, 1235, 1300, 1684, 1900, 2105, 2470, 4210, 4940, 5473, 6175, 7999, 8420, 10525, 10946, 12350, 15998, 21050, 21892, 24700, 27365, 31996, 39995, 42100, 54730, 79990, 103987, 109460, 136825, 159980, 199975, 207974, 273650, 399950, 415948, 519935, 547300, 799900, 1039870, 2079740, 2599675, 5199350, 10398700]

約数ペア:

[(1, 10398700), (2, 5199350), (4, 2599675), (5, 2079740), (10, 1039870), (13, 799900), (19, 547300), (20, 519935), (25, 415948), (26, 399950), (38, 273650), (50, 207974), (52, 199975), (65, 159980), (76, 136825), (95, 109460), (100, 103987), (130, 79990), (190, 54730), (247, 42100), (260, 39995), (325, 31996), (380, 27365), (421, 24700), (475, 21892), (494, 21050), (650, 15998), (842, 12350), (950, 10946), (988, 10525), (1235, 8420), (1300, 7999), (1684, 6175), (1900, 5473), (2105, 4940), (2470, 4210)]