1225004950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{4999}}^1$

素因数の和:5066

約数の個数: 72

約数和(自身を含む): 2552850000

約数和(自身を除く): 1327845050

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 169, 290, 325, 338, 377, 650, 725, 754, 845, 1450, 1690, 1885, 3770, 4225, 4901, 4999, 8450, 9425, 9802, 9998, 18850, 24505, 24995, 49010, 49990, 64987, 122525, 124975, 129974, 144971, 245050, 249950, 289942, 324935, 649870, 724855, 844831, 1449710, 1624675, 1689662, 1884623, 3249350, 3624275, 3769246, 4224155, 7248550, 8448310, 9423115, 18846230, 21120775, 24500099, 42241550, 47115575, 49000198, 94231150, 122500495, 245000990, 612502475, 1225004950]

約数ペア:

[(1, 1225004950), (2, 612502475), (5, 245000990), (10, 122500495), (13, 94231150), (25, 49000198), (26, 47115575), (29, 42241550), (50, 24500099), (58, 21120775), (65, 18846230), (130, 9423115), (145, 8448310), (169, 7248550), (290, 4224155), (325, 3769246), (338, 3624275), (377, 3249350), (650, 1884623), (725, 1689662), (754, 1624675), (845, 1449710), (1450, 844831), (1690, 724855), (1885, 649870), (3770, 324935), (4225, 289942), (4901, 249950), (4999, 245050), (8450, 144971), (9425, 129974), (9802, 124975), (9998, 122525), (18850, 64987), (24505, 49990), (24995, 49010)]