99438640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25367}}^1$

素因数の和:25394

約数の個数: 60

約数和(自身を含む): 268951536

約数和(自身を除く): 169512896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 25367, 50734, 101468, 126835, 177569, 202936, 253670, 355138, 405872, 507340, 710276, 887845, 1014680, 1242983, 1420552, 1775690, 2029360, 2485966, 2841104, 3551380, 4971932, 6214915, 7102760, 9943864, 12429830, 14205520, 19887728, 24859660, 49719320, 99438640]

約数ペア:

[(1, 99438640), (2, 49719320), (4, 24859660), (5, 19887728), (7, 14205520), (8, 12429830), (10, 9943864), (14, 7102760), (16, 6214915), (20, 4971932), (28, 3551380), (35, 2841104), (40, 2485966), (49, 2029360), (56, 1775690), (70, 1420552), (80, 1242983), (98, 1014680), (112, 887845), (140, 710276), (196, 507340), (245, 405872), (280, 355138), (392, 253670), (490, 202936), (560, 177569), (784, 126835), (980, 101468), (1960, 50734), (3920, 25367)]