7949209975

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4211}}^1$

素因数の和:4325

約数の個数: 72

約数和(自身を含む): 12146329728

約数和(自身を除く): 4197119753

約数列:

[1, 5, 7, 23, 25, 35, 49, 67, 115, 161, 175, 245, 335, 469, 575, 805, 1127, 1225, 1541, 1675, 2345, 3283, 4025, 4211, 5635, 7705, 10787, 11725, 16415, 21055, 28175, 29477, 38525, 53935, 75509, 82075, 96853, 105275, 147385, 206339, 269675, 282137, 377545, 484265, 677971, 736925, 1031695, 1410685, 1887725, 1974959, 2421325, 3389855, 4745797, 5158475, 6489151, 7053425, 9874795, 13824713, 16949275, 23728985, 32445755, 45424057, 49373975, 69123565, 118644925, 162228775, 227120285, 317968399, 345617825, 1135601425, 1589841995, 7949209975]

約数ペア:

[(1, 7949209975), (5, 1589841995), (7, 1135601425), (23, 345617825), (25, 317968399), (35, 227120285), (49, 162228775), (67, 118644925), (115, 69123565), (161, 49373975), (175, 45424057), (245, 32445755), (335, 23728985), (469, 16949275), (575, 13824713), (805, 9874795), (1127, 7053425), (1225, 6489151), (1541, 5158475), (1675, 4745797), (2345, 3389855), (3283, 2421325), (4025, 1974959), (4211, 1887725), (5635, 1410685), (7705, 1031695), (10787, 736925), (11725, 677971), (16415, 484265), (21055, 377545), (28175, 282137), (29477, 269675), (38525, 206339), (53935, 147385), (75509, 105275), (82075, 96853)]