489631740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{627733}}^1$

素因数の和:627758

約数の個数: 48

約数和(自身を含む): 1476430368

約数和(自身を除く): 986798628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 627733, 1255466, 1883199, 2510932, 3138665, 3766398, 6277330, 7532796, 8160529, 9415995, 12554660, 16321058, 18831990, 24481587, 32642116, 37663980, 40802645, 48963174, 81605290, 97926348, 122407935, 163210580, 244815870, 489631740]

約数ペア:

[(1, 489631740), (2, 244815870), (3, 163210580), (4, 122407935), (5, 97926348), (6, 81605290), (10, 48963174), (12, 40802645), (13, 37663980), (15, 32642116), (20, 24481587), (26, 18831990), (30, 16321058), (39, 12554660), (52, 9415995), (60, 8160529), (65, 7532796), (78, 6277330), (130, 3766398), (156, 3138665), (195, 2510932), (260, 1883199), (390, 1255466), (780, 627733)]