615289540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{10867}}^1$

素因数の和:11044

約数の個数: 48

約数和(自身を含む): 1369368000

約数和(自身を除く): 754078460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2831, 2980, 5662, 10867, 11324, 14155, 21734, 28310, 43468, 54335, 56620, 108670, 206473, 217340, 412946, 825892, 1032365, 1619183, 2064730, 3238366, 4129460, 6476732, 8095915, 16191830, 30764477, 32383660, 61528954, 123057908, 153822385, 307644770, 615289540]

約数ペア:

[(1, 615289540), (2, 307644770), (4, 153822385), (5, 123057908), (10, 61528954), (19, 32383660), (20, 30764477), (38, 16191830), (76, 8095915), (95, 6476732), (149, 4129460), (190, 3238366), (298, 2064730), (380, 1619183), (596, 1032365), (745, 825892), (1490, 412946), (2831, 217340), (2980, 206473), (5662, 108670), (10867, 56620), (11324, 54335), (14155, 43468), (21734, 28310)]