187889910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{481769}}^1$

素因数の和:481792

約数の個数: 32

約数和(自身を含む): 485624160

約数和(自身を除く): 297734250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 481769, 963538, 1445307, 2408845, 2890614, 4817690, 6262997, 7226535, 12525994, 14453070, 18788991, 31314985, 37577982, 62629970, 93944955, 187889910]

約数ペア:

[(1, 187889910), (2, 93944955), (3, 62629970), (5, 37577982), (6, 31314985), (10, 18788991), (13, 14453070), (15, 12525994), (26, 7226535), (30, 6262997), (39, 4817690), (65, 2890614), (78, 2408845), (130, 1445307), (195, 963538), (390, 481769)]