198052010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 407272320

約数和(自身を除く): 209220310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 181, 190, 247, 362, 443, 494, 886, 905, 1235, 1810, 2215, 2353, 2470, 3439, 4430, 4706, 5759, 6878, 8417, 11518, 11765, 16834, 17195, 23530, 28795, 34390, 42085, 44707, 57590, 80183, 84170, 89414, 109421, 160366, 218842, 223535, 400915, 447070, 547105, 801830, 1042379, 1094210, 1523477, 2084758, 3046954, 5211895, 7617385, 10423790, 15234770, 19805201, 39610402, 99026005, 198052010]

約数ペア:

[(1, 198052010), (2, 99026005), (5, 39610402), (10, 19805201), (13, 15234770), (19, 10423790), (26, 7617385), (38, 5211895), (65, 3046954), (95, 2084758), (130, 1523477), (181, 1094210), (190, 1042379), (247, 801830), (362, 547105), (443, 447070), (494, 400915), (886, 223535), (905, 218842), (1235, 160366), (1810, 109421), (2215, 89414), (2353, 84170), (2470, 80183), (3439, 57590), (4430, 44707), (4706, 42085), (5759, 34390), (6878, 28795), (8417, 23530), (11518, 17195), (11765, 16834)]