1288894450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{33091}}^1$

素因数の和:33163

約数の個数: 48

約数和(自身を含む): 2585147040

約数和(自身を除く): 1296252590

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 475, 779, 950, 1025, 1558, 2050, 3895, 7790, 19475, 33091, 38950, 66182, 165455, 330910, 628729, 827275, 1257458, 1356731, 1654550, 2713462, 3143645, 6287290, 6783655, 13567310, 15718225, 25777889, 31436450, 33918275, 51555778, 67836550, 128889445, 257778890, 644447225, 1288894450]

約数ペア:

[(1, 1288894450), (2, 644447225), (5, 257778890), (10, 128889445), (19, 67836550), (25, 51555778), (38, 33918275), (41, 31436450), (50, 25777889), (82, 15718225), (95, 13567310), (190, 6783655), (205, 6287290), (410, 3143645), (475, 2713462), (779, 1654550), (950, 1356731), (1025, 1257458), (1558, 827275), (2050, 628729), (3895, 330910), (7790, 165455), (19475, 66182), (33091, 38950)]