204310990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 420114240

約数和(自身を除く): 215803250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 181, 190, 247, 362, 457, 494, 905, 914, 1235, 1810, 2285, 2353, 2470, 3439, 4570, 4706, 5941, 6878, 8683, 11765, 11882, 17195, 17366, 23530, 29705, 34390, 43415, 44707, 59410, 82717, 86830, 89414, 112879, 165434, 223535, 225758, 413585, 447070, 564395, 827170, 1075321, 1128790, 1571623, 2150642, 3143246, 5376605, 7858115, 10753210, 15716230, 20431099, 40862198, 102155495, 204310990]

約数ペア:

[(1, 204310990), (2, 102155495), (5, 40862198), (10, 20431099), (13, 15716230), (19, 10753210), (26, 7858115), (38, 5376605), (65, 3143246), (95, 2150642), (130, 1571623), (181, 1128790), (190, 1075321), (247, 827170), (362, 564395), (457, 447070), (494, 413585), (905, 225758), (914, 223535), (1235, 165434), (1810, 112879), (2285, 89414), (2353, 86830), (2470, 82717), (3439, 59410), (4570, 44707), (4706, 43415), (5941, 34390), (6878, 29705), (8683, 23530), (11765, 17366), (11882, 17195)]