2011340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 4569600

約数和(自身を除く): 2558260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 79, 95, 134, 158, 190, 268, 316, 335, 380, 395, 670, 790, 1273, 1340, 1501, 1580, 2546, 3002, 5092, 5293, 6004, 6365, 7505, 10586, 12730, 15010, 21172, 25460, 26465, 30020, 52930, 100567, 105860, 201134, 402268, 502835, 1005670, 2011340]

約数ペア:

[(1, 2011340), (2, 1005670), (4, 502835), (5, 402268), (10, 201134), (19, 105860), (20, 100567), (38, 52930), (67, 30020), (76, 26465), (79, 25460), (95, 21172), (134, 15010), (158, 12730), (190, 10586), (268, 7505), (316, 6365), (335, 6004), (380, 5293), (395, 5092), (670, 3002), (790, 2546), (1273, 1580), (1340, 1501)]