102821900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 230985216

約数和(自身を除く): 128163316

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 131, 167, 188, 235, 262, 334, 470, 524, 655, 668, 835, 940, 1175, 1310, 1670, 2350, 2620, 3275, 3340, 4175, 4700, 6157, 6550, 7849, 8350, 12314, 13100, 15698, 16700, 21877, 24628, 30785, 31396, 39245, 43754, 61570, 78490, 87508, 109385, 123140, 153925, 156980, 196225, 218770, 307850, 392450, 437540, 546925, 615700, 784900, 1028219, 1093850, 2056438, 2187700, 4112876, 5141095, 10282190, 20564380, 25705475, 51410950, 102821900]

約数ペア:

[(1, 102821900), (2, 51410950), (4, 25705475), (5, 20564380), (10, 10282190), (20, 5141095), (25, 4112876), (47, 2187700), (50, 2056438), (94, 1093850), (100, 1028219), (131, 784900), (167, 615700), (188, 546925), (235, 437540), (262, 392450), (334, 307850), (470, 218770), (524, 196225), (655, 156980), (668, 153925), (835, 123140), (940, 109385), (1175, 87508), (1310, 78490), (1670, 61570), (2350, 43754), (2620, 39245), (3275, 31396), (3340, 30785), (4175, 24628), (4700, 21877), (6157, 16700), (6550, 15698), (7849, 13100), (8350, 12314)]