400486240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{32507}}^1$

素因数の和:32540

約数の個数: 96

約数和(自身を含む): 1179650304

約数和(自身を除く): 779164064

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 32507, 65014, 130028, 162535, 227549, 260056, 325070, 357577, 455098, 520112, 650140, 715154, 910196, 1040224, 1137745, 1300280, 1430308, 1787885, 1820392, 2275490, 2503039, 2600560, 2860616, 3575770, 3640784, 4550980, 5006078, 5201120, 5721232, 7151540, 7281568, 9101960, 10012156, 11442464, 12515195, 14303080, 18203920, 20024312, 25030390, 28606160, 36407840, 40048624, 50060780, 57212320, 80097248, 100121560, 200243120, 400486240]

約数ペア:

[(1, 400486240), (2, 200243120), (4, 100121560), (5, 80097248), (7, 57212320), (8, 50060780), (10, 40048624), (11, 36407840), (14, 28606160), (16, 25030390), (20, 20024312), (22, 18203920), (28, 14303080), (32, 12515195), (35, 11442464), (40, 10012156), (44, 9101960), (55, 7281568), (56, 7151540), (70, 5721232), (77, 5201120), (80, 5006078), (88, 4550980), (110, 3640784), (112, 3575770), (140, 2860616), (154, 2600560), (160, 2503039), (176, 2275490), (220, 1820392), (224, 1787885), (280, 1430308), (308, 1300280), (352, 1137745), (385, 1040224), (440, 910196), (560, 715154), (616, 650140), (770, 520112), (880, 455098), (1120, 357577), (1232, 325070), (1540, 260056), (1760, 227549), (2464, 162535), (3080, 130028), (6160, 65014), (12320, 32507)]