201619425880

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2141}}^1\times {\mathrm{13007}}^1$

素因数の和:15340

約数の個数: 64

約数和(自身を含む): 456398167680

約数和(自身を除く): 254778741800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 2141, 3620, 4282, 7240, 8564, 10705, 13007, 17128, 21410, 26014, 42820, 52028, 65035, 85640, 104056, 130070, 260140, 387521, 520280, 775042, 1550084, 1937605, 2354267, 3100168, 3875210, 4708534, 7750420, 9417068, 11771335, 15500840, 18834136, 23542670, 27847987, 47085340, 55695974, 94170680, 111391948, 139239935, 222783896, 278479870, 556959740, 1113919480, 5040485647, 10080971294, 20161942588, 25202428235, 40323885176, 50404856470, 100809712940, 201619425880]

約数ペア:

[(1, 201619425880), (2, 100809712940), (4, 50404856470), (5, 40323885176), (8, 25202428235), (10, 20161942588), (20, 10080971294), (40, 5040485647), (181, 1113919480), (362, 556959740), (724, 278479870), (905, 222783896), (1448, 139239935), (1810, 111391948), (2141, 94170680), (3620, 55695974), (4282, 47085340), (7240, 27847987), (8564, 23542670), (10705, 18834136), (13007, 15500840), (17128, 11771335), (21410, 9417068), (26014, 7750420), (42820, 4708534), (52028, 3875210), (65035, 3100168), (85640, 2354267), (104056, 1937605), (130070, 1550084), (260140, 775042), (387521, 520280)]