388664990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1209

約数の個数: 64

約数和(自身を含む): 822528000

約数和(自身を除く): 433863010

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 79, 134, 158, 335, 395, 469, 553, 670, 790, 938, 1049, 1106, 2098, 2345, 2765, 4690, 5245, 5293, 5530, 7343, 10490, 10586, 14686, 26465, 36715, 37051, 52930, 70283, 73430, 74102, 82871, 140566, 165742, 185255, 351415, 370510, 414355, 491981, 580097, 702830, 828710, 983962, 1160194, 2459905, 2900485, 4919810, 5552357, 5800970, 11104714, 27761785, 38866499, 55523570, 77732998, 194332495, 388664990]

約数ペア:

[(1, 388664990), (2, 194332495), (5, 77732998), (7, 55523570), (10, 38866499), (14, 27761785), (35, 11104714), (67, 5800970), (70, 5552357), (79, 4919810), (134, 2900485), (158, 2459905), (335, 1160194), (395, 983962), (469, 828710), (553, 702830), (670, 580097), (790, 491981), (938, 414355), (1049, 370510), (1106, 351415), (2098, 185255), (2345, 165742), (2765, 140566), (4690, 82871), (5245, 74102), (5293, 73430), (5530, 70283), (7343, 52930), (10490, 37051), (10586, 36715), (14686, 26465)]