404135940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{518123}}^1$

素因数の和:518148

約数の個数: 48

約数和(自身を含む): 1218627648

約数和(自身を除く): 814491708

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, 518123, 1036246, 1554369, 2072492, 2590615, 3108738, 5181230, 6217476, 6735599, 7771845, 10362460, 13471198, 15543690, 20206797, 26942396, 31087380, 33677995, 40413594, 67355990, 80827188, 101033985, 134711980, 202067970, 404135940]

約数ペア:

[(1, 404135940), (2, 202067970), (3, 134711980), (4, 101033985), (5, 80827188), (6, 67355990), (10, 40413594), (12, 33677995), (13, 31087380), (15, 26942396), (20, 20206797), (26, 15543690), (30, 13471198), (39, 10362460), (52, 7771845), (60, 6735599), (65, 6217476), (78, 5181230), (130, 3108738), (156, 2590615), (195, 2072492), (260, 1554369), (390, 1036246), (780, 518123)]