890303770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 1763596800

約数和(自身を除く): 873293030

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 419, 431, 493, 838, 862, 986, 2095, 2155, 2465, 4190, 4310, 4930, 7123, 7327, 12151, 12499, 14246, 14654, 24302, 24998, 35615, 36635, 60755, 62495, 71230, 73270, 121510, 124990, 180589, 206567, 212483, 361178, 413134, 424966, 902945, 1032835, 1062415, 1805890, 2065670, 2124830, 3070013, 5237081, 6140026, 10474162, 15350065, 26185405, 30700130, 52370810, 89030377, 178060754, 445151885, 890303770]

約数ペア:

[(1, 890303770), (2, 445151885), (5, 178060754), (10, 89030377), (17, 52370810), (29, 30700130), (34, 26185405), (58, 15350065), (85, 10474162), (145, 6140026), (170, 5237081), (290, 3070013), (419, 2124830), (431, 2065670), (493, 1805890), (838, 1062415), (862, 1032835), (986, 902945), (2095, 424966), (2155, 413134), (2465, 361178), (4190, 212483), (4310, 206567), (4930, 180589), (7123, 124990), (7327, 121510), (12151, 73270), (12499, 71230), (14246, 62495), (14654, 60755), (24302, 36635), (24998, 35615)]