28001790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1291}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 73163376

約数和(自身を除く): 45161586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241, 482, 723, 1205, 1291, 1446, 2169, 2410, 2582, 3615, 3873, 4338, 6455, 7230, 7746, 10845, 11619, 12910, 19365, 21690, 23238, 38730, 58095, 116190, 311131, 622262, 933393, 1555655, 1866786, 2800179, 3111310, 4666965, 5600358, 9333930, 14000895, 28001790]

約数ペア:

[(1, 28001790), (2, 14000895), (3, 9333930), (5, 5600358), (6, 4666965), (9, 3111310), (10, 2800179), (15, 1866786), (18, 1555655), (30, 933393), (45, 622262), (90, 311131), (241, 116190), (482, 58095), (723, 38730), (1205, 23238), (1291, 21690), (1446, 19365), (2169, 12910), (2410, 11619), (2582, 10845), (3615, 7746), (3873, 7230), (4338, 6455)]