490492460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{402043}}^1$

素因数の和:402113

約数の個数: 24

約数和(自身を含む): 1046922576

約数和(自身を除く): 556430116

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 402043, 804086, 1608172, 2010215, 4020430, 8040860, 24524623, 49049246, 98098492, 122623115, 245246230, 490492460]

約数ペア:

[(1, 490492460), (2, 245246230), (4, 122623115), (5, 98098492), (10, 49049246), (20, 24524623), (61, 8040860), (122, 4020430), (244, 2010215), (305, 1608172), (610, 804086), (1220, 402043)]