204327740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{1483}}^1$

素因数の和:1658

約数の個数: 36

約数和(自身を含む): 434613144

約数和(自身を除く): 230285404

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1483, 1660, 2966, 5932, 6889, 7415, 13778, 14830, 27556, 29660, 34445, 68890, 123089, 137780, 246178, 492356, 615445, 1230890, 2461780, 10216387, 20432774, 40865548, 51081935, 102163870, 204327740]

約数ペア:

[(1, 204327740), (2, 102163870), (4, 51081935), (5, 40865548), (10, 20432774), (20, 10216387), (83, 2461780), (166, 1230890), (332, 615445), (415, 492356), (830, 246178), (1483, 137780), (1660, 123089), (2966, 68890), (5932, 34445), (6889, 29660), (7415, 27556), (13778, 14830)]