391070020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 930787200

約数和(自身を除く): 539717180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 107, 110, 148, 185, 214, 220, 370, 407, 428, 449, 535, 740, 814, 898, 1070, 1177, 1628, 1796, 2035, 2140, 2245, 2354, 3959, 4070, 4490, 4708, 4939, 5885, 7918, 8140, 8980, 9878, 11770, 15836, 16613, 19756, 19795, 23540, 24695, 33226, 39590, 43549, 48043, 49390, 66452, 79180, 83065, 87098, 96086, 98780, 166130, 174196, 182743, 192172, 217745, 240215, 332260, 365486, 435490, 480430, 528473, 730972, 870980, 913715, 960860, 1056946, 1777591, 1827430, 2113892, 2642365, 3555182, 3654860, 5284730, 7110364, 8887955, 10569460, 17775910, 19553501, 35551820, 39107002, 78214004, 97767505, 195535010, 391070020]

約数ペア:

[(1, 391070020), (2, 195535010), (4, 97767505), (5, 78214004), (10, 39107002), (11, 35551820), (20, 19553501), (22, 17775910), (37, 10569460), (44, 8887955), (55, 7110364), (74, 5284730), (107, 3654860), (110, 3555182), (148, 2642365), (185, 2113892), (214, 1827430), (220, 1777591), (370, 1056946), (407, 960860), (428, 913715), (449, 870980), (535, 730972), (740, 528473), (814, 480430), (898, 435490), (1070, 365486), (1177, 332260), (1628, 240215), (1796, 217745), (2035, 192172), (2140, 182743), (2245, 174196), (2354, 166130), (3959, 98780), (4070, 96086), (4490, 87098), (4708, 83065), (4939, 79180), (5885, 66452), (7918, 49390), (8140, 48043), (8980, 43549), (9878, 39590), (11770, 33226), (15836, 24695), (16613, 23540), (19756, 19795)]