349992800

素因数分解:

$2^5\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1091}}^1$

素因数の和:1512

約数の個数: 72

約数和(自身を含む): 857335752

約数和(自身を除く): 507342952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 401, 800, 802, 1091, 1604, 2005, 2182, 3208, 4010, 4364, 5455, 6416, 8020, 8728, 10025, 10910, 12832, 16040, 17456, 20050, 21820, 27275, 32080, 34912, 40100, 43640, 54550, 64160, 80200, 87280, 109100, 160400, 174560, 218200, 320800, 436400, 437491, 872800, 874982, 1749964, 2187455, 3499928, 4374910, 6999856, 8749820, 10937275, 13999712, 17499640, 21874550, 34999280, 43749100, 69998560, 87498200, 174996400, 349992800]

約数ペア:

[(1, 349992800), (2, 174996400), (4, 87498200), (5, 69998560), (8, 43749100), (10, 34999280), (16, 21874550), (20, 17499640), (25, 13999712), (32, 10937275), (40, 8749820), (50, 6999856), (80, 4374910), (100, 3499928), (160, 2187455), (200, 1749964), (400, 874982), (401, 872800), (800, 437491), (802, 436400), (1091, 320800), (1604, 218200), (2005, 174560), (2182, 160400), (3208, 109100), (4010, 87280), (4364, 80200), (5455, 64160), (6416, 54550), (8020, 43640), (8728, 40100), (10025, 34912), (10910, 32080), (12832, 27275), (16040, 21820), (17456, 20050)]