191171820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{455171}}^1$

素因数の和:455190

約数の個数: 48

約数和(自身を含む): 611751168

約数和(自身を除く): 420579348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 455171, 910342, 1365513, 1820684, 2275855, 2731026, 3186197, 4551710, 5462052, 6372394, 6827565, 9103420, 9558591, 12744788, 13655130, 15930985, 19117182, 27310260, 31861970, 38234364, 47792955, 63723940, 95585910, 191171820]

約数ペア:

[(1, 191171820), (2, 95585910), (3, 63723940), (4, 47792955), (5, 38234364), (6, 31861970), (7, 27310260), (10, 19117182), (12, 15930985), (14, 13655130), (15, 12744788), (20, 9558591), (21, 9103420), (28, 6827565), (30, 6372394), (35, 5462052), (42, 4551710), (60, 3186197), (70, 2731026), (84, 2275855), (105, 1820684), (140, 1365513), (210, 910342), (420, 455171)]