4220450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 8707776

約数和(自身を除く): 4487326

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 151, 215, 302, 325, 430, 559, 650, 755, 1075, 1118, 1510, 1963, 2150, 2795, 3775, 3926, 5590, 6493, 7550, 9815, 12986, 13975, 19630, 27950, 32465, 49075, 64930, 84409, 98150, 162325, 168818, 324650, 422045, 844090, 2110225, 4220450]

約数ペア:

[(1, 4220450), (2, 2110225), (5, 844090), (10, 422045), (13, 324650), (25, 168818), (26, 162325), (43, 98150), (50, 84409), (65, 64930), (86, 49075), (130, 32465), (151, 27950), (215, 19630), (302, 13975), (325, 12986), (430, 9815), (559, 7550), (650, 6493), (755, 5590), (1075, 3926), (1118, 3775), (1510, 2795), (1963, 2150)]