8187100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 19443200

約数和(自身を除く): 11256100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 139, 155, 190, 278, 310, 380, 475, 556, 589, 620, 695, 775, 950, 1178, 1390, 1550, 1900, 2356, 2641, 2780, 2945, 3100, 3475, 4309, 5282, 5890, 6950, 8618, 10564, 11780, 13205, 13900, 14725, 17236, 21545, 26410, 29450, 43090, 52820, 58900, 66025, 81871, 86180, 107725, 132050, 163742, 215450, 264100, 327484, 409355, 430900, 818710, 1637420, 2046775, 4093550, 8187100]

約数ペア:

[(1, 8187100), (2, 4093550), (4, 2046775), (5, 1637420), (10, 818710), (19, 430900), (20, 409355), (25, 327484), (31, 264100), (38, 215450), (50, 163742), (62, 132050), (76, 107725), (95, 86180), (100, 81871), (124, 66025), (139, 58900), (155, 52820), (190, 43090), (278, 29450), (310, 26410), (380, 21545), (475, 17236), (556, 14725), (589, 13900), (620, 13205), (695, 11780), (775, 10564), (950, 8618), (1178, 6950), (1390, 5890), (1550, 5282), (1900, 4309), (2356, 3475), (2641, 3100), (2780, 2945)]