87698380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 240242688

約数和(自身を除く): 152544308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 167, 217, 220, 242, 308, 310, 334, 341, 385, 434, 484, 605, 620, 668, 682, 770, 835, 847, 868, 1085, 1169, 1210, 1364, 1540, 1670, 1694, 1705, 1837, 2170, 2338, 2387, 2420, 3340, 3388, 3410, 3674, 3751, 4235, 4340, 4676, 4774, 5177, 5845, 6820, 7348, 7502, 8470, 9185, 9548, 10354, 11690, 11935, 12859, 15004, 16940, 18370, 18755, 20207, 20708, 23380, 23870, 25718, 25885, 26257, 36239, 36740, 37510, 40414, 47740, 51436, 51770, 52514, 56947, 64295, 72478, 75020, 80828, 101035, 103540, 105028, 113894, 128590, 131285, 141449, 144956, 181195, 202070, 227788, 257180, 262570, 282898, 284735, 362390, 398629, 404140, 525140, 565796, 569470, 626417, 707245, 724780, 797258, 1138940, 1252834, 1414490, 1594516, 1993145, 2505668, 2828980, 3132085, 3986290, 4384919, 6264170, 7972580, 8769838, 12528340, 17539676, 21924595, 43849190, 87698380]

約数ペア:

[(1, 87698380), (2, 43849190), (4, 21924595), (5, 17539676), (7, 12528340), (10, 8769838), (11, 7972580), (14, 6264170), (20, 4384919), (22, 3986290), (28, 3132085), (31, 2828980), (35, 2505668), (44, 1993145), (55, 1594516), (62, 1414490), (70, 1252834), (77, 1138940), (110, 797258), (121, 724780), (124, 707245), (140, 626417), (154, 569470), (155, 565796), (167, 525140), (217, 404140), (220, 398629), (242, 362390), (308, 284735), (310, 282898), (334, 262570), (341, 257180), (385, 227788), (434, 202070), (484, 181195), (605, 144956), (620, 141449), (668, 131285), (682, 128590), (770, 113894), (835, 105028), (847, 103540), (868, 101035), (1085, 80828), (1169, 75020), (1210, 72478), (1364, 64295), (1540, 56947), (1670, 52514), (1694, 51770), (1705, 51436), (1837, 47740), (2170, 40414), (2338, 37510), (2387, 36740), (2420, 36239), (3340, 26257), (3388, 25885), (3410, 25718), (3674, 23870), (3751, 23380), (4235, 20708), (4340, 20207), (4676, 18755), (4774, 18370), (5177, 16940), (5845, 15004), (6820, 12859), (7348, 11935), (7502, 11690), (8470, 10354), (9185, 9548)]