206860420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2753}}^1$

素因数の和:2809

約数の個数: 72

約数和(自身を含む): 497141064

約数和(自身を除く): 290280644

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2753, 2890, 3757, 4420, 5506, 5780, 7514, 11012, 13765, 15028, 18785, 27530, 35789, 37570, 46801, 55060, 71578, 75140, 93602, 143156, 178945, 187204, 234005, 357890, 468010, 608413, 715780, 795617, 936020, 1216826, 1591234, 2433652, 3042065, 3182468, 3978085, 6084130, 7956170, 10343021, 12168260, 15912340, 20686042, 41372084, 51715105, 103430210, 206860420]

約数ペア:

[(1, 206860420), (2, 103430210), (4, 51715105), (5, 41372084), (10, 20686042), (13, 15912340), (17, 12168260), (20, 10343021), (26, 7956170), (34, 6084130), (52, 3978085), (65, 3182468), (68, 3042065), (85, 2433652), (130, 1591234), (170, 1216826), (221, 936020), (260, 795617), (289, 715780), (340, 608413), (442, 468010), (578, 357890), (884, 234005), (1105, 187204), (1156, 178945), (1445, 143156), (2210, 93602), (2753, 75140), (2890, 71578), (3757, 55060), (4420, 46801), (5506, 37570), (5780, 35789), (7514, 27530), (11012, 18785), (13765, 15028)]