84757100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1503

約数の個数: 72

約数和(自身を含む): 199987200

約数和(自身を除く): 115230100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1439, 1550, 1900, 2356, 2878, 2945, 3100, 5756, 5890, 7195, 11780, 14390, 14725, 27341, 28780, 29450, 35975, 44609, 54682, 58900, 71950, 89218, 109364, 136705, 143900, 178436, 223045, 273410, 446090, 546820, 683525, 847571, 892180, 1115225, 1367050, 1695142, 2230450, 2734100, 3390284, 4237855, 4460900, 8475710, 16951420, 21189275, 42378550, 84757100]

約数ペア:

[(1, 84757100), (2, 42378550), (4, 21189275), (5, 16951420), (10, 8475710), (19, 4460900), (20, 4237855), (25, 3390284), (31, 2734100), (38, 2230450), (50, 1695142), (62, 1367050), (76, 1115225), (95, 892180), (100, 847571), (124, 683525), (155, 546820), (190, 446090), (310, 273410), (380, 223045), (475, 178436), (589, 143900), (620, 136705), (775, 109364), (950, 89218), (1178, 71950), (1439, 58900), (1550, 54682), (1900, 44609), (2356, 35975), (2878, 29450), (2945, 28780), (3100, 27341), (5756, 14725), (5890, 14390), (7195, 11780)]