201540980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10007}}^1$

素因数の和:10088

約数の個数: 48

約数和(自身を含む): 453962880

約数和(自身を除く): 252421900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10007, 10070, 20014, 20140, 40028, 50035, 100070, 190133, 200140, 380266, 530371, 760532, 950665, 1060742, 1901330, 2121484, 2651855, 3802660, 5303710, 10077049, 10607420, 20154098, 40308196, 50385245, 100770490, 201540980]

約数ペア:

[(1, 201540980), (2, 100770490), (4, 50385245), (5, 40308196), (10, 20154098), (19, 10607420), (20, 10077049), (38, 5303710), (53, 3802660), (76, 2651855), (95, 2121484), (106, 1901330), (190, 1060742), (212, 950665), (265, 760532), (380, 530371), (530, 380266), (1007, 200140), (1060, 190133), (2014, 100070), (4028, 50035), (5035, 40028), (10007, 20140), (10070, 20014)]