203921970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^2$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 594718848

約数和(自身を除く): 390796878

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 239, 255, 357, 478, 510, 595, 714, 717, 1190, 1195, 1434, 1673, 1785, 2390, 3346, 3570, 3585, 4063, 5019, 7170, 8126, 8365, 10038, 12189, 16730, 20315, 24378, 25095, 28441, 40630, 50190, 56882, 57121, 60945, 85323, 114242, 121890, 142205, 170646, 171363, 284410, 285605, 342726, 399847, 426615, 571210, 799694, 853230, 856815, 971057, 1199541, 1713630, 1942114, 1999235, 2399082, 2913171, 3998470, 4855285, 5826342, 5997705, 6797399, 9710570, 11995410, 13594798, 14565855, 20392197, 29131710, 33986995, 40784394, 67973990, 101960985, 203921970]

約数ペア:

[(1, 203921970), (2, 101960985), (3, 67973990), (5, 40784394), (6, 33986995), (7, 29131710), (10, 20392197), (14, 14565855), (15, 13594798), (17, 11995410), (21, 9710570), (30, 6797399), (34, 5997705), (35, 5826342), (42, 4855285), (51, 3998470), (70, 2913171), (85, 2399082), (102, 1999235), (105, 1942114), (119, 1713630), (170, 1199541), (210, 971057), (238, 856815), (239, 853230), (255, 799694), (357, 571210), (478, 426615), (510, 399847), (595, 342726), (714, 285605), (717, 284410), (1190, 171363), (1195, 170646), (1434, 142205), (1673, 121890), (1785, 114242), (2390, 85323), (3346, 60945), (3570, 57121), (3585, 56882), (4063, 50190), (5019, 40630), (7170, 28441), (8126, 25095), (8365, 24378), (10038, 20315), (12189, 16730)]