99399440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25357}}^1$

素因数の和:25384

約数の個数: 60

約数和(自身を含む): 268845516

約数和(自身を除く): 169446076

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, 25357, 50714, 101428, 126785, 177499, 202856, 253570, 354998, 405712, 507140, 709996, 887495, 1014280, 1242493, 1419992, 1774990, 2028560, 2484986, 2839984, 3549980, 4969972, 6212465, 7099960, 9939944, 12424930, 14199920, 19879888, 24849860, 49699720, 99399440]

約数ペア:

[(1, 99399440), (2, 49699720), (4, 24849860), (5, 19879888), (7, 14199920), (8, 12424930), (10, 9939944), (14, 7099960), (16, 6212465), (20, 4969972), (28, 3549980), (35, 2839984), (40, 2484986), (49, 2028560), (56, 1774990), (70, 1419992), (80, 1242493), (98, 1014280), (112, 887495), (140, 709996), (196, 507140), (245, 405712), (280, 354998), (392, 253570), (490, 202856), (560, 177499), (784, 126785), (980, 101428), (1960, 50714), (3920, 25357)]