206010220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{977}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 466951968

約数和(自身を除く): 260941748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 811, 977, 1622, 1954, 3244, 3908, 4055, 4885, 8110, 9770, 10543, 12701, 16220, 19540, 21086, 25402, 42172, 50804, 52715, 63505, 105430, 127010, 210860, 254020, 792347, 1584694, 3169388, 3961735, 7923470, 10300511, 15846940, 20601022, 41202044, 51502555, 103005110, 206010220]

約数ペア:

[(1, 206010220), (2, 103005110), (4, 51502555), (5, 41202044), (10, 20601022), (13, 15846940), (20, 10300511), (26, 7923470), (52, 3961735), (65, 3169388), (130, 1584694), (260, 792347), (811, 254020), (977, 210860), (1622, 127010), (1954, 105430), (3244, 63505), (3908, 52715), (4055, 50804), (4885, 42172), (8110, 25402), (9770, 21086), (10543, 19540), (12701, 16220)]