1900154540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2\times {\mathrm{401}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 4143738816

約数和(自身を除く): 2243584276

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 401, 470, 710, 802, 940, 1420, 1604, 2005, 3337, 4010, 5041, 6674, 8020, 10082, 13348, 16685, 18847, 20164, 25205, 28471, 33370, 37694, 50410, 56942, 66740, 75388, 94235, 100820, 113884, 142355, 188470, 236927, 284710, 376940, 473854, 569420, 947708, 1184635, 1338137, 2021441, 2369270, 2676274, 4042882, 4738540, 5352548, 6690685, 8085764, 10107205, 13381370, 20214410, 26762740, 40428820, 95007727, 190015454, 380030908, 475038635, 950077270, 1900154540]

約数ペア:

[(1, 1900154540), (2, 950077270), (4, 475038635), (5, 380030908), (10, 190015454), (20, 95007727), (47, 40428820), (71, 26762740), (94, 20214410), (142, 13381370), (188, 10107205), (235, 8085764), (284, 6690685), (355, 5352548), (401, 4738540), (470, 4042882), (710, 2676274), (802, 2369270), (940, 2021441), (1420, 1338137), (1604, 1184635), (2005, 947708), (3337, 569420), (4010, 473854), (5041, 376940), (6674, 284710), (8020, 236927), (10082, 188470), (13348, 142355), (16685, 113884), (18847, 100820), (20164, 94235), (25205, 75388), (28471, 66740), (33370, 56942), (37694, 50410)]