307996975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 453658464

約数和(自身を除く): 145661489

約数列:

[1, 5, 11, 13, 25, 55, 65, 101, 143, 275, 325, 505, 715, 853, 1111, 1313, 2525, 3575, 4265, 5555, 6565, 9383, 11089, 14443, 21325, 27775, 32825, 46915, 55445, 72215, 86153, 121979, 234575, 277225, 361075, 430765, 609895, 947683, 1119989, 2153825, 3049475, 4738415, 5599945, 12319879, 23692075, 27999725, 61599395, 307996975]

約数ペア:

[(1, 307996975), (5, 61599395), (11, 27999725), (13, 23692075), (25, 12319879), (55, 5599945), (65, 4738415), (101, 3049475), (143, 2153825), (275, 1119989), (325, 947683), (505, 609895), (715, 430765), (853, 361075), (1111, 277225), (1313, 234575), (2525, 121979), (3575, 86153), (4265, 72215), (5555, 55445), (6565, 46915), (9383, 32825), (11089, 27775), (14443, 21325)]