630185980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{7759}}^1$

素因数の和:7930

約数の個数: 48

約数和(自身を含む): 1376686080

約数和(自身を除く): 746500100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 4061, 7759, 8122, 15518, 16244, 20305, 31036, 38795, 40610, 77590, 81220, 155180, 240529, 481058, 962116, 1016429, 1202645, 2032858, 2405290, 4065716, 4810580, 5082145, 10164290, 20328580, 31509299, 63018598, 126037196, 157546495, 315092990, 630185980]

約数ペア:

[(1, 630185980), (2, 315092990), (4, 157546495), (5, 126037196), (10, 63018598), (20, 31509299), (31, 20328580), (62, 10164290), (124, 5082145), (131, 4810580), (155, 4065716), (262, 2405290), (310, 2032858), (524, 1202645), (620, 1016429), (655, 962116), (1310, 481058), (2620, 240529), (4061, 155180), (7759, 81220), (8122, 77590), (15518, 40610), (16244, 38795), (20305, 31036)]