211341420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{391373}}^1$

素因数の和:391391

約数の個数: 48

約数和(自身を含む): 657508320

約数和(自身を除く): 446166900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 391373, 782746, 1174119, 1565492, 1956865, 2348238, 3522357, 3913730, 4696476, 5870595, 7044714, 7827460, 10567071, 11741190, 14089428, 17611785, 21134142, 23482380, 35223570, 42268284, 52835355, 70447140, 105670710, 211341420]

約数ペア:

[(1, 211341420), (2, 105670710), (3, 70447140), (4, 52835355), (5, 42268284), (6, 35223570), (9, 23482380), (10, 21134142), (12, 17611785), (15, 14089428), (18, 11741190), (20, 10567071), (27, 7827460), (30, 7044714), (36, 5870595), (45, 4696476), (54, 3913730), (60, 3522357), (90, 2348238), (108, 1956865), (135, 1565492), (180, 1174119), (270, 782746), (540, 391373)]