261736250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 80

約数和(自身を含む): 528861960

約数和(自身を除く): 267125710

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 109, 113, 125, 170, 218, 226, 250, 425, 545, 565, 625, 850, 1090, 1130, 1250, 1853, 1921, 2125, 2725, 2825, 3706, 3842, 4250, 5450, 5650, 9265, 9605, 10625, 12317, 13625, 14125, 18530, 19210, 21250, 24634, 27250, 28250, 46325, 48025, 61585, 68125, 70625, 92650, 96050, 123170, 136250, 141250, 209389, 231625, 240125, 307925, 418778, 463250, 480250, 615850, 1046945, 1158125, 1200625, 1539625, 2093890, 2316250, 2401250, 3079250, 5234725, 7698125, 10469450, 15396250, 26173625, 52347250, 130868125, 261736250]

約数ペア:

[(1, 261736250), (2, 130868125), (5, 52347250), (10, 26173625), (17, 15396250), (25, 10469450), (34, 7698125), (50, 5234725), (85, 3079250), (109, 2401250), (113, 2316250), (125, 2093890), (170, 1539625), (218, 1200625), (226, 1158125), (250, 1046945), (425, 615850), (545, 480250), (565, 463250), (625, 418778), (850, 307925), (1090, 240125), (1130, 231625), (1250, 209389), (1853, 141250), (1921, 136250), (2125, 123170), (2725, 96050), (2825, 92650), (3706, 70625), (3842, 68125), (4250, 61585), (5450, 48025), (5650, 46325), (9265, 28250), (9605, 27250), (10625, 24634), (12317, 21250), (13625, 19210), (14125, 18530)]