30175990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{643}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 61831728

約数和(自身を除く): 31655738

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 643, 722, 1235, 1286, 1805, 2470, 3215, 3610, 4693, 6430, 8359, 9386, 12217, 16718, 23465, 24434, 41795, 46930, 61085, 83590, 122170, 158821, 232123, 317642, 464246, 794105, 1160615, 1588210, 2321230, 3017599, 6035198, 15087995, 30175990]

約数ペア:

[(1, 30175990), (2, 15087995), (5, 6035198), (10, 3017599), (13, 2321230), (19, 1588210), (26, 1160615), (38, 794105), (65, 464246), (95, 317642), (130, 232123), (190, 158821), (247, 122170), (361, 83590), (494, 61085), (643, 46930), (722, 41795), (1235, 24434), (1286, 23465), (1805, 16718), (2470, 12217), (3215, 9386), (3610, 8359), (4693, 6430)]