1931130370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{28081}}^1$

素因数の和:28147

約数の個数: 48

約数和(自身を含む): 3913395192

約数和(自身を除く): 1982264822

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 529, 598, 1058, 1495, 2645, 2990, 5290, 6877, 13754, 28081, 34385, 56162, 68770, 140405, 280810, 365053, 645863, 730106, 1291726, 1825265, 3229315, 3650530, 6458630, 8396219, 14854849, 16792438, 29709698, 41981095, 74274245, 83962190, 148548490, 193113037, 386226074, 965565185, 1931130370]

約数ペア:

[(1, 1931130370), (2, 965565185), (5, 386226074), (10, 193113037), (13, 148548490), (23, 83962190), (26, 74274245), (46, 41981095), (65, 29709698), (115, 16792438), (130, 14854849), (230, 8396219), (299, 6458630), (529, 3650530), (598, 3229315), (1058, 1825265), (1495, 1291726), (2645, 730106), (2990, 645863), (5290, 365053), (6877, 280810), (13754, 140405), (28081, 68770), (34385, 56162)]