248841340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 599064984

約数和(自身を除く): 350223644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 107, 110, 121, 124, 155, 214, 220, 242, 310, 341, 428, 484, 535, 605, 620, 682, 961, 1070, 1177, 1210, 1364, 1705, 1922, 2140, 2354, 2420, 3317, 3410, 3751, 3844, 4708, 4805, 5885, 6634, 6820, 7502, 9610, 10571, 11770, 12947, 13268, 15004, 16585, 18755, 19220, 21142, 23540, 25894, 33170, 36487, 37510, 42284, 51788, 52855, 64735, 66340, 72974, 75020, 102827, 105710, 116281, 129470, 145948, 182435, 205654, 211420, 232562, 258940, 364870, 401357, 411308, 465124, 514135, 581405, 729740, 802714, 1028270, 1131097, 1162810, 1605428, 2006785, 2056540, 2262194, 2325620, 4013570, 4524388, 5655485, 8027140, 11310970, 12442067, 22621940, 24884134, 49768268, 62210335, 124420670, 248841340]

約数ペア:

[(1, 248841340), (2, 124420670), (4, 62210335), (5, 49768268), (10, 24884134), (11, 22621940), (20, 12442067), (22, 11310970), (31, 8027140), (44, 5655485), (55, 4524388), (62, 4013570), (107, 2325620), (110, 2262194), (121, 2056540), (124, 2006785), (155, 1605428), (214, 1162810), (220, 1131097), (242, 1028270), (310, 802714), (341, 729740), (428, 581405), (484, 514135), (535, 465124), (605, 411308), (620, 401357), (682, 364870), (961, 258940), (1070, 232562), (1177, 211420), (1210, 205654), (1364, 182435), (1705, 145948), (1922, 129470), (2140, 116281), (2354, 105710), (2420, 102827), (3317, 75020), (3410, 72974), (3751, 66340), (3844, 64735), (4708, 52855), (4805, 51788), (5885, 42284), (6634, 37510), (6820, 36487), (7502, 33170), (9610, 25894), (10571, 23540), (11770, 21142), (12947, 19220), (13268, 18755), (15004, 16585)]