201467440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 483719040

約数和(自身を除く): 282251600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 239, 257, 328, 410, 478, 514, 656, 820, 956, 1028, 1195, 1285, 1640, 1912, 2056, 2390, 2570, 3280, 3824, 4112, 4780, 5140, 9560, 9799, 10280, 10537, 19120, 19598, 20560, 21074, 39196, 42148, 48995, 52685, 61423, 78392, 84296, 97990, 105370, 122846, 156784, 168592, 195980, 210740, 245692, 307115, 391960, 421480, 491384, 614230, 783920, 842960, 982768, 1228460, 2456920, 2518343, 4913840, 5036686, 10073372, 12591715, 20146744, 25183430, 40293488, 50366860, 100733720, 201467440]

約数ペア:

[(1, 201467440), (2, 100733720), (4, 50366860), (5, 40293488), (8, 25183430), (10, 20146744), (16, 12591715), (20, 10073372), (40, 5036686), (41, 4913840), (80, 2518343), (82, 2456920), (164, 1228460), (205, 982768), (239, 842960), (257, 783920), (328, 614230), (410, 491384), (478, 421480), (514, 391960), (656, 307115), (820, 245692), (956, 210740), (1028, 195980), (1195, 168592), (1285, 156784), (1640, 122846), (1912, 105370), (2056, 97990), (2390, 84296), (2570, 78392), (3280, 61423), (3824, 52685), (4112, 48995), (4780, 42148), (5140, 39196), (9560, 21074), (9799, 20560), (10280, 19598), (10537, 19120)]