202809425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 311646720

約数和(自身を除く): 108837295

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 239, 325, 373, 455, 1195, 1673, 1865, 2275, 2611, 3107, 4849, 5975, 8365, 9325, 13055, 15535, 21749, 24245, 33943, 41825, 65275, 77675, 89147, 108745, 121225, 169715, 445735, 543725, 624029, 848575, 1158911, 2228675, 3120145, 5794555, 8112377, 15600725, 28972775, 40561885, 202809425]

約数ペア:

[(1, 202809425), (5, 40561885), (7, 28972775), (13, 15600725), (25, 8112377), (35, 5794555), (65, 3120145), (91, 2228675), (175, 1158911), (239, 848575), (325, 624029), (373, 543725), (455, 445735), (1195, 169715), (1673, 121225), (1865, 108745), (2275, 89147), (2611, 77675), (3107, 65275), (4849, 41825), (5975, 33943), (8365, 24245), (9325, 21749), (13055, 15535)]