388675950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199321}}^1$

素因数の和:199349

約数の個数: 48

約数和(自身を含む): 1038068976

約数和(自身を除く): 649393026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 199321, 398642, 597963, 996605, 1195926, 1993210, 2591173, 2989815, 4983025, 5182346, 5979630, 7773519, 9966050, 12955865, 14949075, 15547038, 25911730, 29898150, 38867595, 64779325, 77735190, 129558650, 194337975, 388675950]

約数ペア:

[(1, 388675950), (2, 194337975), (3, 129558650), (5, 77735190), (6, 64779325), (10, 38867595), (13, 29898150), (15, 25911730), (25, 15547038), (26, 14949075), (30, 12955865), (39, 9966050), (50, 7773519), (65, 5979630), (75, 5182346), (78, 4983025), (130, 2989815), (150, 2591173), (195, 1993210), (325, 1195926), (390, 996605), (650, 597963), (975, 398642), (1950, 199321)]