209330820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:954

約数の個数: 144

約数和(自身を含む): 674593920

約数和(自身を除く): 465263100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 90, 92, 115, 118, 138, 177, 180, 207, 230, 236, 276, 295, 345, 354, 414, 460, 531, 590, 690, 708, 828, 857, 885, 1035, 1062, 1180, 1357, 1380, 1714, 1770, 2070, 2124, 2571, 2655, 2714, 3428, 3540, 4071, 4140, 4285, 5142, 5310, 5428, 6785, 7713, 8142, 8570, 10284, 10620, 12213, 12855, 13570, 15426, 16284, 17140, 19711, 20355, 24426, 25710, 27140, 30852, 38565, 39422, 40710, 48852, 50563, 51420, 59133, 61065, 77130, 78844, 81420, 98555, 101126, 118266, 122130, 151689, 154260, 177399, 197110, 202252, 236532, 244260, 252815, 295665, 303378, 354798, 394220, 455067, 505630, 591330, 606756, 709596, 758445, 886995, 910134, 1011260, 1162949, 1182660, 1516890, 1773990, 1820268, 2275335, 2325898, 3033780, 3488847, 3547980, 4550670, 4651796, 5814745, 6977694, 9101340, 10466541, 11629490, 13955388, 17444235, 20933082, 23258980, 34888470, 41866164, 52332705, 69776940, 104665410, 209330820]

約数ペア:

[(1, 209330820), (2, 104665410), (3, 69776940), (4, 52332705), (5, 41866164), (6, 34888470), (9, 23258980), (10, 20933082), (12, 17444235), (15, 13955388), (18, 11629490), (20, 10466541), (23, 9101340), (30, 6977694), (36, 5814745), (45, 4651796), (46, 4550670), (59, 3547980), (60, 3488847), (69, 3033780), (90, 2325898), (92, 2275335), (115, 1820268), (118, 1773990), (138, 1516890), (177, 1182660), (180, 1162949), (207, 1011260), (230, 910134), (236, 886995), (276, 758445), (295, 709596), (345, 606756), (354, 591330), (414, 505630), (460, 455067), (531, 394220), (590, 354798), (690, 303378), (708, 295665), (828, 252815), (857, 244260), (885, 236532), (1035, 202252), (1062, 197110), (1180, 177399), (1357, 154260), (1380, 151689), (1714, 122130), (1770, 118266), (2070, 101126), (2124, 98555), (2571, 81420), (2655, 78844), (2714, 77130), (3428, 61065), (3540, 59133), (4071, 51420), (4140, 50563), (4285, 48852), (5142, 40710), (5310, 39422), (5428, 38565), (6785, 30852), (7713, 27140), (8142, 25710), (8570, 24426), (10284, 20355), (10620, 19711), (12213, 17140), (12855, 16284), (13570, 15426)]