30940664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 33340936

約数列:

[1, 2, 4, 8, 19, 38, 47, 61, 71, 76, 94, 122, 142, 152, 188, 244, 284, 376, 488, 568, 893, 1159, 1349, 1786, 2318, 2698, 2867, 3337, 3572, 4331, 4636, 5396, 5734, 6674, 7144, 8662, 9272, 10792, 11468, 13348, 17324, 22936, 26696, 34648, 54473, 63403, 82289, 108946, 126806, 164578, 203557, 217892, 253612, 329156, 407114, 435784, 507224, 658312, 814228, 1628456, 3867583, 7735166, 15470332, 30940664]

約数ペア:

[(1, 30940664), (2, 15470332), (4, 7735166), (8, 3867583), (19, 1628456), (38, 814228), (47, 658312), (61, 507224), (71, 435784), (76, 407114), (94, 329156), (122, 253612), (142, 217892), (152, 203557), (188, 164578), (244, 126806), (284, 108946), (376, 82289), (488, 63403), (568, 54473), (893, 34648), (1159, 26696), (1349, 22936), (1786, 17324), (2318, 13348), (2698, 11468), (2867, 10792), (3337, 9272), (3572, 8662), (4331, 7144), (4636, 6674), (5396, 5734)]