245380980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314591}}^1$

素因数の和:314616

約数の個数: 48

約数和(自身を含む): 739920384

約数和(自身を除く): 494539404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 314591, 629182, 943773, 1258364, 1572955, 1887546, 3145910, 3775092, 4089683, 4718865, 6291820, 8179366, 9437730, 12269049, 16358732, 18875460, 20448415, 24538098, 40896830, 49076196, 61345245, 81793660, 122690490, 245380980]

約数ペア:

[(1, 245380980), (2, 122690490), (3, 81793660), (4, 61345245), (5, 49076196), (6, 40896830), (10, 24538098), (12, 20448415), (13, 18875460), (15, 16358732), (20, 12269049), (26, 9437730), (30, 8179366), (39, 6291820), (52, 4718865), (60, 4089683), (65, 3775092), (78, 3145910), (130, 1887546), (156, 1572955), (195, 1258364), (260, 943773), (390, 629182), (780, 314591)]