305303075

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 486843840

約数和(自身を除く): 181540765

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 139, 163, 175, 245, 275, 385, 539, 695, 815, 973, 1141, 1225, 1529, 1793, 1925, 2695, 3475, 4075, 4865, 5705, 6811, 7645, 7987, 8965, 10703, 12551, 13475, 22657, 24325, 28525, 34055, 38225, 39935, 44825, 53515, 62755, 74921, 87857, 113285, 158599, 170275, 199675, 249227, 267575, 313775, 374605, 439285, 566425, 792995, 1110193, 1246135, 1744589, 1873025, 2196425, 3964975, 5550965, 6230675, 8722945, 12212123, 27754825, 43614725, 61060615, 305303075]

約数ペア:

[(1, 305303075), (5, 61060615), (7, 43614725), (11, 27754825), (25, 12212123), (35, 8722945), (49, 6230675), (55, 5550965), (77, 3964975), (139, 2196425), (163, 1873025), (175, 1744589), (245, 1246135), (275, 1110193), (385, 792995), (539, 566425), (695, 439285), (815, 374605), (973, 313775), (1141, 267575), (1225, 249227), (1529, 199675), (1793, 170275), (1925, 158599), (2695, 113285), (3475, 87857), (4075, 74921), (4865, 62755), (5705, 53515), (6811, 44825), (7645, 39935), (7987, 38225), (8965, 34055), (10703, 28525), (12551, 24325), (13475, 22657)]