190961240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{154001}}^1$

素因数の和:154043

約数の個数: 32

約数和(自身を含む): 443525760

約数和(自身を除く): 252564520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 154001, 308002, 616004, 770005, 1232008, 1540010, 3080020, 4774031, 6160040, 9548062, 19096124, 23870155, 38192248, 47740310, 95480620, 190961240]

約数ペア:

[(1, 190961240), (2, 95480620), (4, 47740310), (5, 38192248), (8, 23870155), (10, 19096124), (20, 9548062), (31, 6160040), (40, 4774031), (62, 3080020), (124, 1540010), (155, 1232008), (248, 770005), (310, 616004), (620, 308002), (1240, 154001)]