409799740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{18181}}^1$

素因数の和:18227

約数の個数: 72

約数和(自身を含む): 1044664992

約数和(自身を除く): 634865252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 18181, 22540, 36362, 72724, 90905, 127267, 181810, 254534, 363620, 418163, 509068, 636335, 836326, 890869, 1272670, 1672652, 1781738, 2090815, 2545340, 2927141, 3563476, 4181630, 4454345, 5854282, 8363260, 8908690, 11708564, 14635705, 17817380, 20489987, 29271410, 40979974, 58542820, 81959948, 102449935, 204899870, 409799740]

約数ペア:

[(1, 409799740), (2, 204899870), (4, 102449935), (5, 81959948), (7, 58542820), (10, 40979974), (14, 29271410), (20, 20489987), (23, 17817380), (28, 14635705), (35, 11708564), (46, 8908690), (49, 8363260), (70, 5854282), (92, 4454345), (98, 4181630), (115, 3563476), (140, 2927141), (161, 2545340), (196, 2090815), (230, 1781738), (245, 1672652), (322, 1272670), (460, 890869), (490, 836326), (644, 636335), (805, 509068), (980, 418163), (1127, 363620), (1610, 254534), (2254, 181810), (3220, 127267), (4508, 90905), (5635, 72724), (11270, 36362), (18181, 22540)]