90399080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 209304000

約数和(自身を除く): 118904920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 89, 134, 178, 268, 335, 356, 379, 445, 536, 670, 712, 758, 890, 1340, 1516, 1780, 1895, 2680, 3032, 3560, 3790, 5963, 7580, 11926, 15160, 23852, 25393, 29815, 33731, 47704, 50786, 59630, 67462, 101572, 119260, 126965, 134924, 168655, 203144, 238520, 253930, 269848, 337310, 507860, 674620, 1015720, 1349240, 2259977, 4519954, 9039908, 11299885, 18079816, 22599770, 45199540, 90399080]

約数ペア:

[(1, 90399080), (2, 45199540), (4, 22599770), (5, 18079816), (8, 11299885), (10, 9039908), (20, 4519954), (40, 2259977), (67, 1349240), (89, 1015720), (134, 674620), (178, 507860), (268, 337310), (335, 269848), (356, 253930), (379, 238520), (445, 203144), (536, 168655), (670, 134924), (712, 126965), (758, 119260), (890, 101572), (1340, 67462), (1516, 59630), (1780, 50786), (1895, 47704), (2680, 33731), (3032, 29815), (3560, 25393), (3790, 23852), (5963, 15160), (7580, 11926)]