168889880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{57839}}^1$

素因数の和:57923

約数の個数: 32

約数和(自身を含む): 385214400

約数和(自身を除く): 216324520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 57839, 115678, 231356, 289195, 462712, 578390, 1156780, 2313560, 4222247, 8444494, 16888988, 21111235, 33777976, 42222470, 84444940, 168889880]

約数ペア:

[(1, 168889880), (2, 84444940), (4, 42222470), (5, 33777976), (8, 21111235), (10, 16888988), (20, 8444494), (40, 4222247), (73, 2313560), (146, 1156780), (292, 578390), (365, 462712), (584, 289195), (730, 231356), (1460, 115678), (2920, 57839)]