2019978176

素因数分解:

$2^6\times {\mathrm{67}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:314

約数の個数: 84

約数和(自身を含む): 4166920800

約数和(自身を除く): 2146942624

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 79, 89, 134, 158, 178, 268, 316, 356, 536, 632, 712, 1072, 1264, 1424, 2144, 2528, 2848, 4288, 4489, 5056, 5293, 5696, 5963, 7031, 8978, 10586, 11926, 14062, 17956, 21172, 23852, 28124, 35912, 42344, 47704, 56248, 71824, 84688, 95408, 112496, 143648, 169376, 190816, 224992, 287296, 338752, 354631, 381632, 399521, 449984, 471077, 709262, 799042, 942154, 1418524, 1598084, 1884308, 2837048, 3196168, 3768616, 5674096, 6392336, 7537232, 11348192, 12784672, 15074464, 22696384, 25569344, 30148928, 31562159, 63124318, 126248636, 252497272, 504994544, 1009989088, 2019978176]

約数ペア:

[(1, 2019978176), (2, 1009989088), (4, 504994544), (8, 252497272), (16, 126248636), (32, 63124318), (64, 31562159), (67, 30148928), (79, 25569344), (89, 22696384), (134, 15074464), (158, 12784672), (178, 11348192), (268, 7537232), (316, 6392336), (356, 5674096), (536, 3768616), (632, 3196168), (712, 2837048), (1072, 1884308), (1264, 1598084), (1424, 1418524), (2144, 942154), (2528, 799042), (2848, 709262), (4288, 471077), (4489, 449984), (5056, 399521), (5293, 381632), (5696, 354631), (5963, 338752), (7031, 287296), (8978, 224992), (10586, 190816), (11926, 169376), (14062, 143648), (17956, 112496), (21172, 95408), (23852, 84688), (28124, 71824), (35912, 56248), (42344, 47704)]