129966700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 302324400

約数和(自身を除く): 172357700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 340, 356, 425, 445, 850, 859, 890, 1513, 1700, 1718, 1780, 2225, 3026, 3436, 4295, 4450, 6052, 7565, 8590, 8900, 14603, 15130, 17180, 21475, 29206, 30260, 37825, 42950, 58412, 73015, 75650, 76451, 85900, 146030, 151300, 152902, 292060, 305804, 365075, 382255, 730150, 764510, 1299667, 1460300, 1529020, 1911275, 2599334, 3822550, 5198668, 6498335, 7645100, 12996670, 25993340, 32491675, 64983350, 129966700]

約数ペア:

[(1, 129966700), (2, 64983350), (4, 32491675), (5, 25993340), (10, 12996670), (17, 7645100), (20, 6498335), (25, 5198668), (34, 3822550), (50, 2599334), (68, 1911275), (85, 1529020), (89, 1460300), (100, 1299667), (170, 764510), (178, 730150), (340, 382255), (356, 365075), (425, 305804), (445, 292060), (850, 152902), (859, 151300), (890, 146030), (1513, 85900), (1700, 76451), (1718, 75650), (1780, 73015), (2225, 58412), (3026, 42950), (3436, 37825), (4295, 30260), (4450, 29206), (6052, 21475), (7565, 17180), (8590, 15130), (8900, 14603)]