1900564520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{13681}}^1$

素因数の和:13866

約数の個数: 64

約数和(自身を含む): 4492074240

約数和(自身を除く): 2591509720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 151, 184, 230, 302, 460, 604, 755, 920, 1208, 1510, 3020, 3473, 6040, 6946, 13681, 13892, 17365, 27362, 27784, 34730, 54724, 68405, 69460, 109448, 136810, 138920, 273620, 314663, 547240, 629326, 1258652, 1573315, 2065831, 2517304, 3146630, 4131662, 6293260, 8263324, 10329155, 12586520, 16526648, 20658310, 41316620, 47514113, 82633240, 95028226, 190056452, 237570565, 380112904, 475141130, 950282260, 1900564520]

約数ペア:

[(1, 1900564520), (2, 950282260), (4, 475141130), (5, 380112904), (8, 237570565), (10, 190056452), (20, 95028226), (23, 82633240), (40, 47514113), (46, 41316620), (92, 20658310), (115, 16526648), (151, 12586520), (184, 10329155), (230, 8263324), (302, 6293260), (460, 4131662), (604, 3146630), (755, 2517304), (920, 2065831), (1208, 1573315), (1510, 1258652), (3020, 629326), (3473, 547240), (6040, 314663), (6946, 273620), (13681, 138920), (13892, 136810), (17365, 109448), (27362, 69460), (27784, 68405), (34730, 54724)]