2891390900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{4049}}^1$

素因数の和:4293

約数の個数: 72

約数和(自身を含む): 6478882200

約数和(自身を除く): 3587491300

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 193, 370, 386, 740, 772, 925, 965, 1850, 1930, 3700, 3860, 4049, 4825, 7141, 8098, 9650, 14282, 16196, 19300, 20245, 28564, 35705, 40490, 71410, 80980, 101225, 142820, 149813, 178525, 202450, 299626, 357050, 404900, 599252, 714100, 749065, 781457, 1498130, 1562914, 2996260, 3125828, 3745325, 3907285, 7490650, 7814570, 14981300, 15629140, 19536425, 28913909, 39072850, 57827818, 78145700, 115655636, 144569545, 289139090, 578278180, 722847725, 1445695450, 2891390900]

約数ペア:

[(1, 2891390900), (2, 1445695450), (4, 722847725), (5, 578278180), (10, 289139090), (20, 144569545), (25, 115655636), (37, 78145700), (50, 57827818), (74, 39072850), (100, 28913909), (148, 19536425), (185, 15629140), (193, 14981300), (370, 7814570), (386, 7490650), (740, 3907285), (772, 3745325), (925, 3125828), (965, 2996260), (1850, 1562914), (1930, 1498130), (3700, 781457), (3860, 749065), (4049, 714100), (4825, 599252), (7141, 404900), (8098, 357050), (9650, 299626), (14282, 202450), (16196, 178525), (19300, 149813), (20245, 142820), (28564, 101225), (35705, 80980), (40490, 71410)]