388804325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 633292800

約数和(自身を除く): 244488475

約数列:

[1, 5, 7, 13, 25, 31, 35, 37, 65, 91, 149, 155, 175, 185, 217, 259, 325, 403, 455, 481, 745, 775, 925, 1043, 1085, 1147, 1295, 1937, 2015, 2275, 2405, 2821, 3367, 3725, 4619, 5215, 5425, 5513, 5735, 6475, 8029, 9685, 10075, 12025, 13559, 14105, 14911, 16835, 23095, 26075, 27565, 28675, 32333, 38591, 40145, 48425, 60047, 67795, 70525, 71669, 74555, 84175, 104377, 115475, 137825, 161665, 170903, 192955, 200725, 300235, 338975, 358345, 372775, 420329, 501683, 521885, 808325, 854515, 964775, 1196321, 1501175, 1791725, 2101645, 2221739, 2508415, 2609425, 4272575, 5981605, 10508225, 11108695, 12542075, 15552173, 29908025, 55543475, 77760865, 388804325]

約数ペア:

[(1, 388804325), (5, 77760865), (7, 55543475), (13, 29908025), (25, 15552173), (31, 12542075), (35, 11108695), (37, 10508225), (65, 5981605), (91, 4272575), (149, 2609425), (155, 2508415), (175, 2221739), (185, 2101645), (217, 1791725), (259, 1501175), (325, 1196321), (403, 964775), (455, 854515), (481, 808325), (745, 521885), (775, 501683), (925, 420329), (1043, 372775), (1085, 358345), (1147, 338975), (1295, 300235), (1937, 200725), (2015, 192955), (2275, 170903), (2405, 161665), (2821, 137825), (3367, 115475), (3725, 104377), (4619, 84175), (5215, 74555), (5425, 71669), (5513, 70525), (5735, 67795), (6475, 60047), (8029, 48425), (9685, 40145), (10075, 38591), (12025, 32333), (13559, 28675), (14105, 27565), (14911, 26075), (16835, 23095)]