207858100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3529}}^1$

素因数の和:3593

約数の個数: 72

約数和(自身を含む): 490246400

約数和(自身を除く): 282388300

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, 1550, 1900, 2356, 2945, 3100, 3529, 5890, 7058, 11780, 14116, 14725, 17645, 29450, 35290, 58900, 67051, 70580, 88225, 109399, 134102, 176450, 218798, 268204, 335255, 352900, 437596, 546995, 670510, 1093990, 1341020, 1676275, 2078581, 2187980, 2734975, 3352550, 4157162, 5469950, 6705100, 8314324, 10392905, 10939900, 20785810, 41571620, 51964525, 103929050, 207858100]

約数ペア:

[(1, 207858100), (2, 103929050), (4, 51964525), (5, 41571620), (10, 20785810), (19, 10939900), (20, 10392905), (25, 8314324), (31, 6705100), (38, 5469950), (50, 4157162), (62, 3352550), (76, 2734975), (95, 2187980), (100, 2078581), (124, 1676275), (155, 1341020), (190, 1093990), (310, 670510), (380, 546995), (475, 437596), (589, 352900), (620, 335255), (775, 268204), (950, 218798), (1178, 176450), (1550, 134102), (1900, 109399), (2356, 88225), (2945, 70580), (3100, 67051), (3529, 58900), (5890, 35290), (7058, 29450), (11780, 17645), (14116, 14725)]