217466210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5179}}^1$

素因数の和:5235

約数の個数: 64

約数和(自身を含む): 469929600

約数和(自身を除く): 252463390

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 3230, 4199, 5179, 8398, 10358, 20995, 25895, 41990, 51790, 67327, 88043, 98401, 134654, 176086, 196802, 336635, 440215, 492005, 673270, 880430, 984010, 1144559, 1279213, 1672817, 2289118, 2558426, 3345634, 5722795, 6396065, 8364085, 11445590, 12792130, 16728170, 21746621, 43493242, 108733105, 217466210]

約数ペア:

[(1, 217466210), (2, 108733105), (5, 43493242), (10, 21746621), (13, 16728170), (17, 12792130), (19, 11445590), (26, 8364085), (34, 6396065), (38, 5722795), (65, 3345634), (85, 2558426), (95, 2289118), (130, 1672817), (170, 1279213), (190, 1144559), (221, 984010), (247, 880430), (323, 673270), (442, 492005), (494, 440215), (646, 336635), (1105, 196802), (1235, 176086), (1615, 134654), (2210, 98401), (2470, 88043), (3230, 67327), (4199, 51790), (5179, 41990), (8398, 25895), (10358, 20995)]