39387425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 64460160

約数和(自身を除く): 25072735

約数列:

[1, 5, 7, 11, 25, 35, 37, 49, 55, 77, 79, 175, 185, 245, 259, 275, 385, 395, 407, 539, 553, 869, 925, 1225, 1295, 1813, 1925, 1975, 2035, 2695, 2765, 2849, 2923, 3871, 4345, 6083, 6475, 9065, 10175, 13475, 13825, 14245, 14615, 19355, 19943, 20461, 21725, 30415, 32153, 42581, 45325, 71225, 73075, 96775, 99715, 102305, 143227, 152075, 160765, 212905, 225071, 498575, 511525, 716135, 803825, 1064525, 1125355, 1575497, 3580675, 5626775, 7877485, 39387425]

約数ペア:

[(1, 39387425), (5, 7877485), (7, 5626775), (11, 3580675), (25, 1575497), (35, 1125355), (37, 1064525), (49, 803825), (55, 716135), (77, 511525), (79, 498575), (175, 225071), (185, 212905), (245, 160765), (259, 152075), (275, 143227), (385, 102305), (395, 99715), (407, 96775), (539, 73075), (553, 71225), (869, 45325), (925, 42581), (1225, 32153), (1295, 30415), (1813, 21725), (1925, 20461), (1975, 19943), (2035, 19355), (2695, 14615), (2765, 14245), (2849, 13825), (2923, 13475), (3871, 10175), (4345, 9065), (6083, 6475)]