423950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 24

約数和(自身を含む): 807240

約数和(自身を除く): 383290

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 139, 278, 305, 610, 695, 1390, 1525, 3050, 3475, 6950, 8479, 16958, 42395, 84790, 211975, 423950]

約数ペア:

[(1, 423950), (2, 211975), (5, 84790), (10, 42395), (25, 16958), (50, 8479), (61, 6950), (122, 3475), (139, 3050), (278, 1525), (305, 1390), (610, 695)]