255252140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2943

約数の個数: 96

約数和(自身を含む): 650280960

約数和(自身を除く): 395028820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 1364, 1430, 1612, 1705, 2015, 2860, 2879, 3410, 4030, 4433, 5758, 6820, 8060, 8866, 11516, 14395, 17732, 22165, 28790, 31669, 37427, 44330, 57580, 63338, 74854, 88660, 89249, 126676, 149708, 158345, 178498, 187135, 316690, 356996, 374270, 411697, 446245, 633380, 748540, 823394, 892490, 981739, 1160237, 1646788, 1784980, 1963478, 2058485, 2320474, 3926956, 4116970, 4640948, 4908695, 5801185, 8233940, 9817390, 11602370, 12762607, 19634780, 23204740, 25525214, 51050428, 63813035, 127626070, 255252140]

約数ペア:

[(1, 255252140), (2, 127626070), (4, 63813035), (5, 51050428), (10, 25525214), (11, 23204740), (13, 19634780), (20, 12762607), (22, 11602370), (26, 9817390), (31, 8233940), (44, 5801185), (52, 4908695), (55, 4640948), (62, 4116970), (65, 3926956), (110, 2320474), (124, 2058485), (130, 1963478), (143, 1784980), (155, 1646788), (220, 1160237), (260, 981739), (286, 892490), (310, 823394), (341, 748540), (403, 633380), (572, 446245), (620, 411697), (682, 374270), (715, 356996), (806, 316690), (1364, 187135), (1430, 178498), (1612, 158345), (1705, 149708), (2015, 126676), (2860, 89249), (2879, 88660), (3410, 74854), (4030, 63338), (4433, 57580), (5758, 44330), (6820, 37427), (8060, 31669), (8866, 28790), (11516, 22165), (14395, 17732)]