2017171480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{20899}}^1$

素因数の和:21056

約数の個数: 64

約数和(自身を含む): 4815360000

約数和(自身を除く): 2798188520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 1016, 1270, 2413, 2540, 4826, 5080, 9652, 12065, 19304, 20899, 24130, 41798, 48260, 83596, 96520, 104495, 167192, 208990, 397081, 417980, 794162, 835960, 1588324, 1985405, 2654173, 3176648, 3970810, 5308346, 7941620, 10616692, 13270865, 15883240, 21233384, 26541730, 50429287, 53083460, 100858574, 106166920, 201717148, 252146435, 403434296, 504292870, 1008585740, 2017171480]

約数ペア:

[(1, 2017171480), (2, 1008585740), (4, 504292870), (5, 403434296), (8, 252146435), (10, 201717148), (19, 106166920), (20, 100858574), (38, 53083460), (40, 50429287), (76, 26541730), (95, 21233384), (127, 15883240), (152, 13270865), (190, 10616692), (254, 7941620), (380, 5308346), (508, 3970810), (635, 3176648), (760, 2654173), (1016, 1985405), (1270, 1588324), (2413, 835960), (2540, 794162), (4826, 417980), (5080, 397081), (9652, 208990), (12065, 167192), (19304, 104495), (20899, 96520), (24130, 83596), (41798, 48260)]