220520067880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12911011}}^1$

素因数の和:12911090

約数の個数: 64

約数和(自身を含む): 576347575680

約数和(自身を除く): 355827507800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 12911011, 25822022, 51644044, 64555055, 90377077, 103288088, 129110110, 180754154, 258220220, 361508308, 451885385, 516440440, 723016616, 787571671, 903770770, 1575143342, 1807541540, 3150286684, 3615083080, 3937858355, 5513001697, 6300573368, 7875716710, 11026003394, 15751433420, 22052006788, 27565008485, 31502866840, 44104013576, 55130016970, 110260033940, 220520067880]

約数ペア:

[(1, 220520067880), (2, 110260033940), (4, 55130016970), (5, 44104013576), (7, 31502866840), (8, 27565008485), (10, 22052006788), (14, 15751433420), (20, 11026003394), (28, 7875716710), (35, 6300573368), (40, 5513001697), (56, 3937858355), (61, 3615083080), (70, 3150286684), (122, 1807541540), (140, 1575143342), (244, 903770770), (280, 787571671), (305, 723016616), (427, 516440440), (488, 451885385), (610, 361508308), (854, 258220220), (1220, 180754154), (1708, 129110110), (2135, 103288088), (2440, 90377077), (3416, 64555055), (4270, 51644044), (8540, 25822022), (17080, 12911011)]