340665820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 858009600

約数和(自身を除く): 517343780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 121, 124, 155, 190, 209, 220, 239, 242, 310, 341, 380, 418, 478, 484, 589, 605, 620, 682, 836, 956, 1045, 1178, 1195, 1210, 1364, 1705, 2090, 2299, 2356, 2390, 2420, 2629, 2945, 3410, 3751, 4180, 4541, 4598, 4780, 5258, 5890, 6479, 6820, 7409, 7502, 9082, 9196, 10516, 11495, 11780, 12958, 13145, 14818, 15004, 18164, 18755, 22705, 22990, 25916, 26290, 28919, 29636, 32395, 37045, 37510, 45410, 45980, 49951, 52580, 57838, 64790, 71269, 74090, 75020, 81499, 90820, 99902, 115676, 129580, 140771, 142538, 144595, 148180, 162998, 199804, 249755, 281542, 285076, 289190, 325996, 356345, 407495, 499510, 549461, 563084, 578380, 703855, 712690, 814990, 896489, 999020, 1098922, 1407710, 1425380, 1548481, 1629980, 1792978, 2197844, 2747305, 2815420, 3096962, 3585956, 4482445, 5494610, 6193924, 7742405, 8964890, 10989220, 15484810, 17033291, 17929780, 30969620, 34066582, 68133164, 85166455, 170332910, 340665820]

約数ペア:

[(1, 340665820), (2, 170332910), (4, 85166455), (5, 68133164), (10, 34066582), (11, 30969620), (19, 17929780), (20, 17033291), (22, 15484810), (31, 10989220), (38, 8964890), (44, 7742405), (55, 6193924), (62, 5494610), (76, 4482445), (95, 3585956), (110, 3096962), (121, 2815420), (124, 2747305), (155, 2197844), (190, 1792978), (209, 1629980), (220, 1548481), (239, 1425380), (242, 1407710), (310, 1098922), (341, 999020), (380, 896489), (418, 814990), (478, 712690), (484, 703855), (589, 578380), (605, 563084), (620, 549461), (682, 499510), (836, 407495), (956, 356345), (1045, 325996), (1178, 289190), (1195, 285076), (1210, 281542), (1364, 249755), (1705, 199804), (2090, 162998), (2299, 148180), (2356, 144595), (2390, 142538), (2420, 140771), (2629, 129580), (2945, 115676), (3410, 99902), (3751, 90820), (4180, 81499), (4541, 75020), (4598, 74090), (4780, 71269), (5258, 64790), (5890, 57838), (6479, 52580), (6820, 49951), (7409, 45980), (7502, 45410), (9082, 37510), (9196, 37045), (10516, 32395), (11495, 29636), (11780, 28919), (12958, 26290), (13145, 25916), (14818, 22990), (15004, 22705), (18164, 18755)]