389159120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:853

約数の個数: 160

約数和(自身を含む): 1105643520

約数和(自身を除く): 716484400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 80, 112, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 464, 496, 560, 580, 620, 773, 812, 868, 899, 1015, 1085, 1160, 1240, 1546, 1624, 1736, 1798, 2030, 2170, 2320, 2480, 3092, 3248, 3472, 3596, 3865, 4060, 4340, 4495, 5411, 6184, 6293, 7192, 7730, 8120, 8680, 8990, 10822, 12368, 12586, 14384, 15460, 16240, 17360, 17980, 21644, 22417, 23963, 25172, 27055, 30920, 31465, 35960, 43288, 44834, 47926, 50344, 54110, 61840, 62930, 71920, 86576, 89668, 95852, 100688, 108220, 112085, 119815, 125860, 156919, 167741, 179336, 191704, 216440, 224170, 239630, 251720, 313838, 335482, 358672, 383408, 432880, 448340, 479260, 503440, 627676, 670964, 694927, 784595, 838705, 896680, 958520, 1255352, 1341928, 1389854, 1569190, 1677410, 1793360, 1917040, 2510704, 2683856, 2779708, 3138380, 3354820, 3474635, 4864489, 5559416, 6276760, 6709640, 6949270, 9728978, 11118832, 12553520, 13419280, 13898540, 19457956, 24322445, 27797080, 38915912, 48644890, 55594160, 77831824, 97289780, 194579560, 389159120]

約数ペア:

[(1, 389159120), (2, 194579560), (4, 97289780), (5, 77831824), (7, 55594160), (8, 48644890), (10, 38915912), (14, 27797080), (16, 24322445), (20, 19457956), (28, 13898540), (29, 13419280), (31, 12553520), (35, 11118832), (40, 9728978), (56, 6949270), (58, 6709640), (62, 6276760), (70, 5559416), (80, 4864489), (112, 3474635), (116, 3354820), (124, 3138380), (140, 2779708), (145, 2683856), (155, 2510704), (203, 1917040), (217, 1793360), (232, 1677410), (248, 1569190), (280, 1389854), (290, 1341928), (310, 1255352), (406, 958520), (434, 896680), (464, 838705), (496, 784595), (560, 694927), (580, 670964), (620, 627676), (773, 503440), (812, 479260), (868, 448340), (899, 432880), (1015, 383408), (1085, 358672), (1160, 335482), (1240, 313838), (1546, 251720), (1624, 239630), (1736, 224170), (1798, 216440), (2030, 191704), (2170, 179336), (2320, 167741), (2480, 156919), (3092, 125860), (3248, 119815), (3472, 112085), (3596, 108220), (3865, 100688), (4060, 95852), (4340, 89668), (4495, 86576), (5411, 71920), (6184, 62930), (6293, 61840), (7192, 54110), (7730, 50344), (8120, 47926), (8680, 44834), (8990, 43288), (10822, 35960), (12368, 31465), (12586, 30920), (14384, 27055), (15460, 25172), (16240, 23963), (17360, 22417), (17980, 21644)]