194920991980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68154193}}^1$

素因数の和:68154226

約数の個数: 48

約数和(自身を含む): 480895992864

約数和(自身を除く): 285975000884

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 68154193, 136308386, 272616772, 340770965, 681541930, 749696123, 886004509, 1363083860, 1499392246, 1772009018, 2998784492, 3544018036, 3748480615, 4430022545, 7496961230, 8860045090, 9746049599, 14993922460, 17720090180, 19492099198, 38984198396, 48730247995, 97460495990, 194920991980]

約数ペア:

[(1, 194920991980), (2, 97460495990), (4, 48730247995), (5, 38984198396), (10, 19492099198), (11, 17720090180), (13, 14993922460), (20, 9746049599), (22, 8860045090), (26, 7496961230), (44, 4430022545), (52, 3748480615), (55, 3544018036), (65, 2998784492), (110, 1772009018), (130, 1499392246), (143, 1363083860), (220, 886004509), (260, 749696123), (286, 681541930), (572, 340770965), (715, 272616772), (1430, 136308386), (2860, 68154193)]