69153460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 149732352

約数和(自身を除く): 80578892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 191, 215, 382, 421, 430, 764, 842, 860, 955, 1684, 1910, 2105, 3820, 4210, 8213, 8420, 16426, 18103, 32852, 36206, 41065, 72412, 80411, 82130, 90515, 160822, 164260, 181030, 321644, 362060, 402055, 804110, 1608220, 3457673, 6915346, 13830692, 17288365, 34576730, 69153460]

約数ペア:

[(1, 69153460), (2, 34576730), (4, 17288365), (5, 13830692), (10, 6915346), (20, 3457673), (43, 1608220), (86, 804110), (172, 402055), (191, 362060), (215, 321644), (382, 181030), (421, 164260), (430, 160822), (764, 90515), (842, 82130), (860, 80411), (955, 72412), (1684, 41065), (1910, 36206), (2105, 32852), (3820, 18103), (4210, 16426), (8213, 8420)]