81370850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{751}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 166167936

約数和(自身を除く): 84797086

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 197, 275, 394, 550, 751, 985, 1502, 1970, 2167, 3755, 4334, 4925, 7510, 8261, 9850, 10835, 16522, 18775, 21670, 37550, 41305, 54175, 82610, 108350, 147947, 206525, 295894, 413050, 739735, 1479470, 1627417, 3254834, 3698675, 7397350, 8137085, 16274170, 40685425, 81370850]

約数ペア:

[(1, 81370850), (2, 40685425), (5, 16274170), (10, 8137085), (11, 7397350), (22, 3698675), (25, 3254834), (50, 1627417), (55, 1479470), (110, 739735), (197, 413050), (275, 295894), (394, 206525), (550, 147947), (751, 108350), (985, 82610), (1502, 54175), (1970, 41305), (2167, 37550), (3755, 21670), (4334, 18775), (4925, 16522), (7510, 10835), (8261, 9850)]