358538020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{1259}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 781099200

約数和(自身を除く): 422561180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 491, 580, 982, 1259, 1964, 2455, 2518, 4910, 5036, 6295, 9820, 12590, 14239, 25180, 28478, 36511, 56956, 71195, 73022, 142390, 146044, 182555, 284780, 365110, 618169, 730220, 1236338, 2472676, 3090845, 6181690, 12363380, 17926901, 35853802, 71707604, 89634505, 179269010, 358538020]

約数ペア:

[(1, 358538020), (2, 179269010), (4, 89634505), (5, 71707604), (10, 35853802), (20, 17926901), (29, 12363380), (58, 6181690), (116, 3090845), (145, 2472676), (290, 1236338), (491, 730220), (580, 618169), (982, 365110), (1259, 284780), (1964, 182555), (2455, 146044), (2518, 142390), (4910, 73022), (5036, 71195), (6295, 56956), (9820, 36511), (12590, 28478), (14239, 25180)]