68940950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 147094752

約数和(自身を除く): 78153802

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 289, 325, 367, 425, 442, 578, 650, 734, 850, 1105, 1445, 1835, 2210, 2890, 3670, 3757, 4771, 5525, 6239, 7225, 7514, 9175, 9542, 11050, 12478, 14450, 18350, 18785, 23855, 31195, 37570, 47710, 62390, 81107, 93925, 106063, 119275, 155975, 162214, 187850, 212126, 238550, 311950, 405535, 530315, 811070, 1060630, 1378819, 2027675, 2651575, 2757638, 4055350, 5303150, 6894095, 13788190, 34470475, 68940950]

約数ペア:

[(1, 68940950), (2, 34470475), (5, 13788190), (10, 6894095), (13, 5303150), (17, 4055350), (25, 2757638), (26, 2651575), (34, 2027675), (50, 1378819), (65, 1060630), (85, 811070), (130, 530315), (170, 405535), (221, 311950), (289, 238550), (325, 212126), (367, 187850), (425, 162214), (442, 155975), (578, 119275), (650, 106063), (734, 93925), (850, 81107), (1105, 62390), (1445, 47710), (1835, 37570), (2210, 31195), (2890, 23855), (3670, 18785), (3757, 18350), (4771, 14450), (5525, 12478), (6239, 11050), (7225, 9542), (7514, 9175)]