1378173940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{481879}}^1$

素因数の和:481912

約数の個数: 48

約数和(自身を含む): 3400145280

約数和(自身を除く): 2021971340

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 481879, 963758, 1927516, 2409395, 4818790, 5300669, 6264427, 9637580, 10601338, 12528854, 21202676, 25057708, 26503345, 31322135, 53006690, 62644270, 68908697, 106013380, 125288540, 137817394, 275634788, 344543485, 689086970, 1378173940]

約数ペア:

[(1, 1378173940), (2, 689086970), (4, 344543485), (5, 275634788), (10, 137817394), (11, 125288540), (13, 106013380), (20, 68908697), (22, 62644270), (26, 53006690), (44, 31322135), (52, 26503345), (55, 25057708), (65, 21202676), (110, 12528854), (130, 10601338), (143, 9637580), (220, 6264427), (260, 5300669), (286, 4818790), (572, 2409395), (715, 1927516), (1430, 963758), (2860, 481879)]