291336140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 676988928

約数和(自身を除く): 385652788

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 131, 155, 170, 211, 262, 310, 340, 422, 524, 527, 620, 655, 844, 1054, 1055, 1310, 2108, 2110, 2227, 2620, 2635, 3587, 4061, 4220, 4454, 5270, 6541, 7174, 8122, 8908, 10540, 11135, 13082, 14348, 16244, 17935, 20305, 22270, 26164, 27641, 32705, 35870, 40610, 44540, 55282, 65410, 69037, 71740, 81220, 110564, 111197, 130820, 138074, 138205, 222394, 276148, 276410, 345185, 444788, 469897, 552820, 555985, 690370, 856871, 939794, 1111970, 1380740, 1713742, 1879588, 2223940, 2349485, 3427484, 4284355, 4698970, 8568710, 9397940, 14566807, 17137420, 29133614, 58267228, 72834035, 145668070, 291336140]

約数ペア:

[(1, 291336140), (2, 145668070), (4, 72834035), (5, 58267228), (10, 29133614), (17, 17137420), (20, 14566807), (31, 9397940), (34, 8568710), (62, 4698970), (68, 4284355), (85, 3427484), (124, 2349485), (131, 2223940), (155, 1879588), (170, 1713742), (211, 1380740), (262, 1111970), (310, 939794), (340, 856871), (422, 690370), (524, 555985), (527, 552820), (620, 469897), (655, 444788), (844, 345185), (1054, 276410), (1055, 276148), (1310, 222394), (2108, 138205), (2110, 138074), (2227, 130820), (2620, 111197), (2635, 110564), (3587, 81220), (4061, 71740), (4220, 69037), (4454, 65410), (5270, 55282), (6541, 44540), (7174, 40610), (8122, 35870), (8908, 32705), (10540, 27641), (11135, 26164), (13082, 22270), (14348, 20305), (16244, 17935)]