2003019850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{106261}}^1$

素因数の和:106315

約数の個数: 48

約数和(自身を含む): 4150593720

約数和(自身を除く): 2147573870

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 1450, 1885, 3770, 9425, 18850, 106261, 212522, 531305, 1062610, 1381393, 2656525, 2762786, 3081569, 5313050, 6163138, 6906965, 13813930, 15407845, 30815690, 34534825, 40060397, 69069650, 77039225, 80120794, 154078450, 200301985, 400603970, 1001509925, 2003019850]

約数ペア:

[(1, 2003019850), (2, 1001509925), (5, 400603970), (10, 200301985), (13, 154078450), (25, 80120794), (26, 77039225), (29, 69069650), (50, 40060397), (58, 34534825), (65, 30815690), (130, 15407845), (145, 13813930), (290, 6906965), (325, 6163138), (377, 5313050), (650, 3081569), (725, 2762786), (754, 2656525), (1450, 1381393), (1885, 1062610), (3770, 531305), (9425, 212522), (18850, 106261)]