328960520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3643

約数の個数: 96

約数和(自身を含む): 879569280

約数和(自身を除く): 550608760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 658, 940, 980, 1316, 1645, 1880, 1960, 2303, 2632, 3290, 3571, 4606, 6580, 7142, 9212, 11515, 13160, 14284, 17855, 18424, 23030, 24997, 28568, 35710, 46060, 49994, 71420, 92120, 99988, 124985, 142840, 167837, 174979, 199976, 249970, 335674, 349958, 499940, 671348, 699916, 839185, 874895, 999880, 1174859, 1342696, 1399832, 1678370, 1749790, 2349718, 3356740, 3499580, 4699436, 5874295, 6713480, 6999160, 8224013, 9398872, 11748590, 16448026, 23497180, 32896052, 41120065, 46994360, 65792104, 82240130, 164480260, 328960520]

約数ペア:

[(1, 328960520), (2, 164480260), (4, 82240130), (5, 65792104), (7, 46994360), (8, 41120065), (10, 32896052), (14, 23497180), (20, 16448026), (28, 11748590), (35, 9398872), (40, 8224013), (47, 6999160), (49, 6713480), (56, 5874295), (70, 4699436), (94, 3499580), (98, 3356740), (140, 2349718), (188, 1749790), (196, 1678370), (235, 1399832), (245, 1342696), (280, 1174859), (329, 999880), (376, 874895), (392, 839185), (470, 699916), (490, 671348), (658, 499940), (940, 349958), (980, 335674), (1316, 249970), (1645, 199976), (1880, 174979), (1960, 167837), (2303, 142840), (2632, 124985), (3290, 99988), (3571, 92120), (4606, 71420), (6580, 49994), (7142, 46060), (9212, 35710), (11515, 28568), (13160, 24997), (14284, 23030), (17855, 18424)]