30278875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 44220384

約数和(自身を除く): 13941509

約数列:

[1, 5, 11, 19, 25, 55, 61, 95, 125, 209, 275, 305, 361, 475, 671, 1045, 1159, 1375, 1525, 1805, 2375, 3355, 3971, 5225, 5795, 7625, 9025, 12749, 16775, 19855, 22021, 26125, 28975, 45125, 63745, 83875, 99275, 110105, 144875, 242231, 318725, 496375, 550525, 1211155, 1593625, 2752625, 6055775, 30278875]

約数ペア:

[(1, 30278875), (5, 6055775), (11, 2752625), (19, 1593625), (25, 1211155), (55, 550525), (61, 496375), (95, 318725), (125, 242231), (209, 144875), (275, 110105), (305, 99275), (361, 83875), (475, 63745), (671, 45125), (1045, 28975), (1159, 26125), (1375, 22021), (1525, 19855), (1805, 16775), (2375, 12749), (3355, 9025), (3971, 7625), (5225, 5795)]