179921970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13417}}^1$

素因数の和:13579

約数の個数: 48

約数和(自身を含む): 470971800

約数和(自身を除く): 291049830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 2235, 2682, 4470, 6705, 13410, 13417, 26834, 40251, 67085, 80502, 120753, 134170, 201255, 241506, 402510, 603765, 1207530, 1999133, 3998266, 5997399, 9995665, 11994798, 17992197, 19991330, 29986995, 35984394, 59973990, 89960985, 179921970]

約数ペア:

[(1, 179921970), (2, 89960985), (3, 59973990), (5, 35984394), (6, 29986995), (9, 19991330), (10, 17992197), (15, 11994798), (18, 9995665), (30, 5997399), (45, 3998266), (90, 1999133), (149, 1207530), (298, 603765), (447, 402510), (745, 241506), (894, 201255), (1341, 134170), (1490, 120753), (2235, 80502), (2682, 67085), (4470, 40251), (6705, 26834), (13410, 13417)]