220400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 60

約数和(自身を含む): 576600

約数和(自身を除く): 356200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 38, 40, 50, 58, 76, 80, 95, 100, 116, 145, 152, 190, 200, 232, 290, 304, 380, 400, 464, 475, 551, 580, 725, 760, 950, 1102, 1160, 1450, 1520, 1900, 2204, 2320, 2755, 2900, 3800, 4408, 5510, 5800, 7600, 8816, 11020, 11600, 13775, 22040, 27550, 44080, 55100, 110200, 220400]

約数ペア:

[(1, 220400), (2, 110200), (4, 55100), (5, 44080), (8, 27550), (10, 22040), (16, 13775), (19, 11600), (20, 11020), (25, 8816), (29, 7600), (38, 5800), (40, 5510), (50, 4408), (58, 3800), (76, 2900), (80, 2755), (95, 2320), (100, 2204), (116, 1900), (145, 1520), (152, 1450), (190, 1160), (200, 1102), (232, 950), (290, 760), (304, 725), (380, 580), (400, 551), (464, 475)]