193898120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{372881}}^1$

素因数の和:372905

約数の個数: 32

約数和(自身を含む): 469831320

約数和(自身を除く): 275933200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 372881, 745762, 1491524, 1864405, 2983048, 3728810, 4847453, 7457620, 9694906, 14915240, 19389812, 24237265, 38779624, 48474530, 96949060, 193898120]

約数ペア:

[(1, 193898120), (2, 96949060), (4, 48474530), (5, 38779624), (8, 24237265), (10, 19389812), (13, 14915240), (20, 9694906), (26, 7457620), (40, 4847453), (52, 3728810), (65, 2983048), (104, 1864405), (130, 1491524), (260, 745762), (520, 372881)]