155779600

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2039}}^1$

素因数の和:2248

約数の個数: 60

約数和(自身を含む): 376404480

約数和(自身を除く): 220624880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 382, 400, 764, 955, 1528, 1910, 2039, 3056, 3820, 4078, 4775, 7640, 8156, 9550, 10195, 15280, 16312, 19100, 20390, 32624, 38200, 40780, 50975, 76400, 81560, 101950, 163120, 203900, 389449, 407800, 778898, 815600, 1557796, 1947245, 3115592, 3894490, 6231184, 7788980, 9736225, 15577960, 19472450, 31155920, 38944900, 77889800, 155779600]

約数ペア:

[(1, 155779600), (2, 77889800), (4, 38944900), (5, 31155920), (8, 19472450), (10, 15577960), (16, 9736225), (20, 7788980), (25, 6231184), (40, 3894490), (50, 3115592), (80, 1947245), (100, 1557796), (191, 815600), (200, 778898), (382, 407800), (400, 389449), (764, 203900), (955, 163120), (1528, 101950), (1910, 81560), (2039, 76400), (3056, 50975), (3820, 40780), (4078, 38200), (4775, 32624), (7640, 20390), (8156, 19100), (9550, 16312), (10195, 15280)]