261567100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 604367568

約数和(自身を除く): 342800468

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 251, 340, 425, 502, 613, 850, 1004, 1226, 1255, 1700, 2452, 2510, 3065, 4267, 5020, 6130, 6275, 8534, 10421, 12260, 12550, 15325, 17068, 20842, 21335, 25100, 30650, 41684, 42670, 52105, 61300, 85340, 104210, 106675, 153863, 208420, 213350, 260525, 307726, 426700, 521050, 615452, 769315, 1042100, 1538630, 2615671, 3077260, 3846575, 5231342, 7693150, 10462684, 13078355, 15386300, 26156710, 52313420, 65391775, 130783550, 261567100]

約数ペア:

[(1, 261567100), (2, 130783550), (4, 65391775), (5, 52313420), (10, 26156710), (17, 15386300), (20, 13078355), (25, 10462684), (34, 7693150), (50, 5231342), (68, 3846575), (85, 3077260), (100, 2615671), (170, 1538630), (251, 1042100), (340, 769315), (425, 615452), (502, 521050), (613, 426700), (850, 307726), (1004, 260525), (1226, 213350), (1255, 208420), (1700, 153863), (2452, 106675), (2510, 104210), (3065, 85340), (4267, 61300), (5020, 52105), (6130, 42670), (6275, 41684), (8534, 30650), (10421, 25100), (12260, 21335), (12550, 20842), (15325, 17068)]