77493400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20393}}^1$

素因数の和:20428

約数の個数: 48

約数和(自身を含む): 189664200

約数和(自身を除く): 112170800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 20393, 40786, 81572, 101965, 163144, 203930, 387467, 407860, 509825, 774934, 815720, 1019650, 1549868, 1937335, 2039300, 3099736, 3874670, 4078600, 7749340, 9686675, 15498680, 19373350, 38746700, 77493400]

約数ペア:

[(1, 77493400), (2, 38746700), (4, 19373350), (5, 15498680), (8, 9686675), (10, 7749340), (19, 4078600), (20, 3874670), (25, 3099736), (38, 2039300), (40, 1937335), (50, 1549868), (76, 1019650), (95, 815720), (100, 774934), (152, 509825), (190, 407860), (200, 387467), (380, 203930), (475, 163144), (760, 101965), (950, 81572), (1900, 40786), (3800, 20393)]