203997640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 578534400

約数和(自身を除く): 374536760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 107, 110, 140, 154, 214, 220, 280, 308, 385, 428, 440, 535, 616, 619, 749, 770, 856, 1070, 1177, 1238, 1498, 1540, 2140, 2354, 2476, 2996, 3080, 3095, 3745, 4280, 4333, 4708, 4952, 5885, 5992, 6190, 6809, 7490, 8239, 8666, 9416, 11770, 12380, 13618, 14980, 16478, 17332, 21665, 23540, 24760, 27236, 29960, 32956, 34045, 34664, 41195, 43330, 47080, 47663, 54472, 65912, 66233, 68090, 82390, 86660, 95326, 132466, 136180, 164780, 173320, 190652, 238315, 264932, 272360, 329560, 331165, 381304, 463631, 476630, 529864, 662330, 728563, 927262, 953260, 1324660, 1457126, 1854524, 1906520, 2318155, 2649320, 2914252, 3642815, 3709048, 4636310, 5099941, 5828504, 7285630, 9272620, 10199882, 14571260, 18545240, 20399764, 25499705, 29142520, 40799528, 50999410, 101998820, 203997640]

約数ペア:

[(1, 203997640), (2, 101998820), (4, 50999410), (5, 40799528), (7, 29142520), (8, 25499705), (10, 20399764), (11, 18545240), (14, 14571260), (20, 10199882), (22, 9272620), (28, 7285630), (35, 5828504), (40, 5099941), (44, 4636310), (55, 3709048), (56, 3642815), (70, 2914252), (77, 2649320), (88, 2318155), (107, 1906520), (110, 1854524), (140, 1457126), (154, 1324660), (214, 953260), (220, 927262), (280, 728563), (308, 662330), (385, 529864), (428, 476630), (440, 463631), (535, 381304), (616, 331165), (619, 329560), (749, 272360), (770, 264932), (856, 238315), (1070, 190652), (1177, 173320), (1238, 164780), (1498, 136180), (1540, 132466), (2140, 95326), (2354, 86660), (2476, 82390), (2996, 68090), (3080, 66233), (3095, 65912), (3745, 54472), (4280, 47663), (4333, 47080), (4708, 43330), (4952, 41195), (5885, 34664), (5992, 34045), (6190, 32956), (6809, 29960), (7490, 27236), (8239, 24760), (8666, 23540), (9416, 21665), (11770, 17332), (12380, 16478), (13618, 14980)]