289183810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{7121}}^1$

素因数の和:7290

約数の個数: 32

約数和(自身を含む): 541499904

約数和(自身を除く): 252316094

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 4061, 7121, 8122, 14242, 20305, 35605, 40610, 71210, 220751, 441502, 932851, 1103755, 1865702, 2207510, 4664255, 9328510, 28918381, 57836762, 144591905, 289183810]

約数ペア:

[(1, 289183810), (2, 144591905), (5, 57836762), (10, 28918381), (31, 9328510), (62, 4664255), (131, 2207510), (155, 1865702), (262, 1103755), (310, 932851), (655, 441502), (1310, 220751), (4061, 71210), (7121, 40610), (8122, 35605), (14242, 20305)]