61772420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 137592000

約数和(自身を除く): 75819580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1091, 1490, 2182, 2831, 2980, 4364, 5455, 5662, 10910, 11324, 14155, 20729, 21820, 28310, 41458, 56620, 82916, 103645, 162559, 207290, 325118, 414580, 650236, 812795, 1625590, 3088621, 3251180, 6177242, 12354484, 15443105, 30886210, 61772420]

約数ペア:

[(1, 61772420), (2, 30886210), (4, 15443105), (5, 12354484), (10, 6177242), (19, 3251180), (20, 3088621), (38, 1625590), (76, 812795), (95, 650236), (149, 414580), (190, 325118), (298, 207290), (380, 162559), (596, 103645), (745, 82916), (1091, 56620), (1490, 41458), (2182, 28310), (2831, 21820), (2980, 20729), (4364, 14155), (5455, 11324), (5662, 10910)]