20161931020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{267187}}^1$

素因数の和:267228

約数の個数: 96

約数和(自身を含む): 53865100800

約数和(自身を除く): 33703169780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 490, 539, 686, 770, 980, 1078, 1372, 1540, 1715, 2156, 2695, 3430, 3773, 5390, 6860, 7546, 10780, 15092, 18865, 37730, 75460, 267187, 534374, 1068748, 1335935, 1870309, 2671870, 2939057, 3740618, 5343740, 5878114, 7481236, 9351545, 11756228, 13092163, 14695285, 18703090, 20573399, 26184326, 29390570, 37406180, 41146798, 52368652, 58781140, 65460815, 82293596, 91645141, 102866995, 130921630, 144013793, 183290282, 205733990, 261843260, 288027586, 366580564, 411467980, 458225705, 576055172, 720068965, 916451410, 1008096551, 1440137930, 1832902820, 2016193102, 2880275860, 4032386204, 5040482755, 10080965510, 20161931020]

約数ペア:

[(1, 20161931020), (2, 10080965510), (4, 5040482755), (5, 4032386204), (7, 2880275860), (10, 2016193102), (11, 1832902820), (14, 1440137930), (20, 1008096551), (22, 916451410), (28, 720068965), (35, 576055172), (44, 458225705), (49, 411467980), (55, 366580564), (70, 288027586), (77, 261843260), (98, 205733990), (110, 183290282), (140, 144013793), (154, 130921630), (196, 102866995), (220, 91645141), (245, 82293596), (308, 65460815), (343, 58781140), (385, 52368652), (490, 41146798), (539, 37406180), (686, 29390570), (770, 26184326), (980, 20573399), (1078, 18703090), (1372, 14695285), (1540, 13092163), (1715, 11756228), (2156, 9351545), (2695, 7481236), (3430, 5878114), (3773, 5343740), (5390, 3740618), (6860, 2939057), (7546, 2671870), (10780, 1870309), (15092, 1335935), (18865, 1068748), (37730, 534374), (75460, 267187)]