349235980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{9871}}^1$

素因数の和:9970

約数の個数: 48

約数和(自身を含む): 771200640

約数和(自身を除く): 421964660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 9871, 17690, 19742, 35380, 39484, 49355, 98710, 197420, 286259, 572518, 602131, 1145036, 1204262, 1431295, 2408524, 2862590, 3010655, 5725180, 6021310, 12042620, 17461799, 34923598, 69847196, 87308995, 174617990, 349235980]

約数ペア:

[(1, 349235980), (2, 174617990), (4, 87308995), (5, 69847196), (10, 34923598), (20, 17461799), (29, 12042620), (58, 6021310), (61, 5725180), (116, 3010655), (122, 2862590), (145, 2408524), (244, 1431295), (290, 1204262), (305, 1145036), (580, 602131), (610, 572518), (1220, 286259), (1769, 197420), (3538, 98710), (7076, 49355), (8845, 39484), (9871, 35380), (17690, 19742)]