189932920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89591}}^1$

素因数の和:89655

約数の個数: 32

約数和(自身を含む): 435417120

約数和(自身を除く): 245484200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 89591, 179182, 358364, 447955, 716728, 895910, 1791820, 3583640, 4748323, 9496646, 18993292, 23741615, 37986584, 47483230, 94966460, 189932920]

約数ペア:

[(1, 189932920), (2, 94966460), (4, 47483230), (5, 37986584), (8, 23741615), (10, 18993292), (20, 9496646), (40, 4748323), (53, 3583640), (106, 1791820), (212, 895910), (265, 716728), (424, 447955), (530, 358364), (1060, 179182), (2120, 89591)]