208008760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 485683200

約数和(自身を除く): 277674440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 542, 619, 620, 1084, 1238, 1240, 1355, 2168, 2476, 2710, 3095, 4952, 5420, 6190, 8401, 10840, 12380, 16802, 19189, 24760, 33604, 38378, 42005, 67208, 76756, 84010, 95945, 153512, 167749, 168020, 191890, 335498, 336040, 383780, 670996, 767560, 838745, 1341992, 1677490, 3354980, 5200219, 6709960, 10400438, 20800876, 26001095, 41601752, 52002190, 104004380, 208008760]

約数ペア:

[(1, 208008760), (2, 104004380), (4, 52002190), (5, 41601752), (8, 26001095), (10, 20800876), (20, 10400438), (31, 6709960), (40, 5200219), (62, 3354980), (124, 1677490), (155, 1341992), (248, 838745), (271, 767560), (310, 670996), (542, 383780), (619, 336040), (620, 335498), (1084, 191890), (1238, 168020), (1240, 167749), (1355, 153512), (2168, 95945), (2476, 84010), (2710, 76756), (3095, 67208), (4952, 42005), (5420, 38378), (6190, 33604), (8401, 24760), (10840, 19189), (12380, 16802)]