203418260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{3037}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 454752144

約数和(自身を除く): 251333884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 3037, 3349, 3940, 6074, 6698, 12148, 13396, 15185, 16745, 30370, 33490, 51629, 60740, 66980, 103258, 206516, 258145, 516290, 598289, 1032580, 1196578, 2393156, 2991445, 5982890, 10170913, 11965780, 20341826, 40683652, 50854565, 101709130, 203418260]

約数ペア:

[(1, 203418260), (2, 101709130), (4, 50854565), (5, 40683652), (10, 20341826), (17, 11965780), (20, 10170913), (34, 5982890), (68, 2991445), (85, 2393156), (170, 1196578), (197, 1032580), (340, 598289), (394, 516290), (788, 258145), (985, 206516), (1970, 103258), (3037, 66980), (3349, 60740), (3940, 51629), (6074, 33490), (6698, 30370), (12148, 16745), (13396, 15185)]