219293840

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{4049}}^1$

素因数の和:4739

約数の個数: 40

約数和(自身を含む): 510737400

約数和(自身を除く): 291443560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 2708, 3385, 4049, 5416, 6770, 8098, 10832, 13540, 16196, 20245, 27080, 32392, 40490, 54160, 64784, 80980, 161960, 323920, 2741173, 5482346, 10964692, 13705865, 21929384, 27411730, 43858768, 54823460, 109646920, 219293840]

約数ペア:

[(1, 219293840), (2, 109646920), (4, 54823460), (5, 43858768), (8, 27411730), (10, 21929384), (16, 13705865), (20, 10964692), (40, 5482346), (80, 2741173), (677, 323920), (1354, 161960), (2708, 80980), (3385, 64784), (4049, 54160), (5416, 40490), (6770, 32392), (8098, 27080), (10832, 20245), (13540, 16196)]