1784652020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{6217}}^1$

素因数の和:6720

約数の個数: 48

約数和(自身を含む): 3877644288

約数和(自身を除く): 2092992268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 463, 620, 926, 1852, 2315, 4630, 6217, 9260, 12434, 14353, 24868, 28706, 31085, 57412, 62170, 71765, 124340, 143530, 192727, 287060, 385454, 770908, 963635, 1927270, 2878471, 3854540, 5756942, 11513884, 14392355, 28784710, 57569420, 89232601, 178465202, 356930404, 446163005, 892326010, 1784652020]

約数ペア:

[(1, 1784652020), (2, 892326010), (4, 446163005), (5, 356930404), (10, 178465202), (20, 89232601), (31, 57569420), (62, 28784710), (124, 14392355), (155, 11513884), (310, 5756942), (463, 3854540), (620, 2878471), (926, 1927270), (1852, 963635), (2315, 770908), (4630, 385454), (6217, 287060), (9260, 192727), (12434, 143530), (14353, 124340), (24868, 71765), (28706, 62170), (31085, 57412)]