28892990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 63106560

約数和(自身を除く): 34213570

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 43, 58, 70, 86, 145, 203, 215, 290, 301, 331, 406, 430, 602, 662, 1015, 1247, 1505, 1655, 2030, 2317, 2494, 3010, 3310, 4634, 6235, 8729, 9599, 11585, 12470, 14233, 17458, 19198, 23170, 28466, 43645, 47995, 67193, 71165, 87290, 95990, 99631, 134386, 142330, 199262, 335965, 412757, 498155, 671930, 825514, 996310, 2063785, 2889299, 4127570, 5778598, 14446495, 28892990]

約数ペア:

[(1, 28892990), (2, 14446495), (5, 5778598), (7, 4127570), (10, 2889299), (14, 2063785), (29, 996310), (35, 825514), (43, 671930), (58, 498155), (70, 412757), (86, 335965), (145, 199262), (203, 142330), (215, 134386), (290, 99631), (301, 95990), (331, 87290), (406, 71165), (430, 67193), (602, 47995), (662, 43645), (1015, 28466), (1247, 23170), (1505, 19198), (1655, 17458), (2030, 14233), (2317, 12470), (2494, 11585), (3010, 9599), (3310, 8729), (4634, 6235)]