408077820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{119321}}^1$

素因数の和:119355

約数の個数: 72

約数和(自身を含む): 1302996240

約数和(自身を除く): 894918420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 119321, 238642, 357963, 477284, 596605, 715926, 1073889, 1193210, 1431852, 1789815, 2147778, 2267099, 2386420, 3579630, 4295556, 4534198, 5369445, 6801297, 7159260, 9068396, 10738890, 11335495, 13602594, 20403891, 21477780, 22670990, 27205188, 34006485, 40807782, 45341980, 68012970, 81615564, 102019455, 136025940, 204038910, 408077820]

約数ペア:

[(1, 408077820), (2, 204038910), (3, 136025940), (4, 102019455), (5, 81615564), (6, 68012970), (9, 45341980), (10, 40807782), (12, 34006485), (15, 27205188), (18, 22670990), (19, 21477780), (20, 20403891), (30, 13602594), (36, 11335495), (38, 10738890), (45, 9068396), (57, 7159260), (60, 6801297), (76, 5369445), (90, 4534198), (95, 4295556), (114, 3579630), (171, 2386420), (180, 2267099), (190, 2147778), (228, 1789815), (285, 1431852), (342, 1193210), (380, 1073889), (570, 715926), (684, 596605), (855, 477284), (1140, 357963), (1710, 238642), (3420, 119321)]