285386980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1783}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 615009024

約数和(自身を除く): 329622044

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 212, 265, 302, 530, 604, 755, 1060, 1510, 1783, 3020, 3566, 7132, 8003, 8915, 16006, 17830, 32012, 35660, 40015, 80030, 94499, 160060, 188998, 269233, 377996, 472495, 538466, 944990, 1076932, 1346165, 1889980, 2692330, 5384660, 14269349, 28538698, 57077396, 71346745, 142693490, 285386980]

約数ペア:

[(1, 285386980), (2, 142693490), (4, 71346745), (5, 57077396), (10, 28538698), (20, 14269349), (53, 5384660), (106, 2692330), (151, 1889980), (212, 1346165), (265, 1076932), (302, 944990), (530, 538466), (604, 472495), (755, 377996), (1060, 269233), (1510, 188998), (1783, 160060), (3020, 94499), (3566, 80030), (7132, 40015), (8003, 35660), (8915, 32012), (16006, 17830)]