419550880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{719}}^1$

素因数の和:1262

約数の個数: 96

約数和(自身を含む): 1136540160

約数和(自身を除く): 716989280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 521, 560, 719, 1042, 1120, 1438, 2084, 2605, 2876, 3595, 3647, 4168, 5033, 5210, 5752, 7190, 7294, 8336, 10066, 10420, 11504, 14380, 14588, 16672, 18235, 20132, 20840, 23008, 25165, 28760, 29176, 36470, 40264, 41680, 50330, 57520, 58352, 72940, 80528, 83360, 100660, 115040, 116704, 145880, 161056, 201320, 291760, 374599, 402640, 583520, 749198, 805280, 1498396, 1872995, 2622193, 2996792, 3745990, 5244386, 5993584, 7491980, 10488772, 11987168, 13110965, 14983960, 20977544, 26221930, 29967920, 41955088, 52443860, 59935840, 83910176, 104887720, 209775440, 419550880]

約数ペア:

[(1, 419550880), (2, 209775440), (4, 104887720), (5, 83910176), (7, 59935840), (8, 52443860), (10, 41955088), (14, 29967920), (16, 26221930), (20, 20977544), (28, 14983960), (32, 13110965), (35, 11987168), (40, 10488772), (56, 7491980), (70, 5993584), (80, 5244386), (112, 3745990), (140, 2996792), (160, 2622193), (224, 1872995), (280, 1498396), (521, 805280), (560, 749198), (719, 583520), (1042, 402640), (1120, 374599), (1438, 291760), (2084, 201320), (2605, 161056), (2876, 145880), (3595, 116704), (3647, 115040), (4168, 100660), (5033, 83360), (5210, 80528), (5752, 72940), (7190, 58352), (7294, 57520), (8336, 50330), (10066, 41680), (10420, 40264), (11504, 36470), (14380, 29176), (14588, 28760), (16672, 25165), (18235, 23008), (20132, 20840)]