1572181820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{73673}}^1$

素因数の和:73790

約数の個数: 48

約数和(自身を含む): 3638906208

約数和(自身を除く): 2066724388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 21340, 73673, 147346, 294692, 368365, 736730, 810403, 1473460, 1620806, 3241612, 4052015, 7146281, 8104030, 14292562, 16208060, 28585124, 35731405, 71462810, 78609091, 142925620, 157218182, 314436364, 393045455, 786090910, 1572181820]

約数ペア:

[(1, 1572181820), (2, 786090910), (4, 393045455), (5, 314436364), (10, 157218182), (11, 142925620), (20, 78609091), (22, 71462810), (44, 35731405), (55, 28585124), (97, 16208060), (110, 14292562), (194, 8104030), (220, 7146281), (388, 4052015), (485, 3241612), (970, 1620806), (1067, 1473460), (1940, 810403), (2134, 736730), (4268, 368365), (5335, 294692), (10670, 147346), (21340, 73673)]