30641380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 81430272

約数和(自身を除く): 50788892

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 101, 110, 140, 154, 197, 202, 220, 308, 385, 394, 404, 505, 707, 770, 788, 985, 1010, 1111, 1379, 1414, 1540, 1970, 2020, 2167, 2222, 2758, 2828, 3535, 3940, 4334, 4444, 5516, 5555, 6895, 7070, 7777, 8668, 10835, 11110, 13790, 14140, 15169, 15554, 19897, 21670, 22220, 27580, 30338, 31108, 38885, 39794, 43340, 60676, 75845, 77770, 79588, 99485, 139279, 151690, 155540, 198970, 218867, 278558, 303380, 397940, 437734, 557116, 696395, 875468, 1094335, 1392790, 1532069, 2188670, 2785580, 3064138, 4377340, 6128276, 7660345, 15320690, 30641380]

約数ペア:

[(1, 30641380), (2, 15320690), (4, 7660345), (5, 6128276), (7, 4377340), (10, 3064138), (11, 2785580), (14, 2188670), (20, 1532069), (22, 1392790), (28, 1094335), (35, 875468), (44, 696395), (55, 557116), (70, 437734), (77, 397940), (101, 303380), (110, 278558), (140, 218867), (154, 198970), (197, 155540), (202, 151690), (220, 139279), (308, 99485), (385, 79588), (394, 77770), (404, 75845), (505, 60676), (707, 43340), (770, 39794), (788, 38885), (985, 31108), (1010, 30338), (1111, 27580), (1379, 22220), (1414, 21670), (1540, 19897), (1970, 15554), (2020, 15169), (2167, 14140), (2222, 13790), (2758, 11110), (2828, 10835), (3535, 8668), (3940, 7777), (4334, 7070), (4444, 6895), (5516, 5555)]