389622400

素因数分解:

$2^7\times 5^2\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 968046300

約数和(自身を除く): 578423900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 313, 320, 389, 400, 626, 640, 778, 800, 1252, 1556, 1565, 1600, 1945, 2504, 3112, 3130, 3200, 3890, 5008, 6224, 6260, 7780, 7825, 9725, 10016, 12448, 12520, 15560, 15650, 19450, 20032, 24896, 25040, 31120, 31300, 38900, 40064, 49792, 50080, 62240, 62600, 77800, 100160, 121757, 124480, 125200, 155600, 200320, 243514, 248960, 250400, 311200, 487028, 500800, 608785, 622400, 974056, 1001600, 1217570, 1244800, 1948112, 2435140, 3043925, 3896224, 4870280, 6087850, 7792448, 9740560, 12175700, 15584896, 19481120, 24351400, 38962240, 48702800, 77924480, 97405600, 194811200, 389622400]

約数ペア:

[(1, 389622400), (2, 194811200), (4, 97405600), (5, 77924480), (8, 48702800), (10, 38962240), (16, 24351400), (20, 19481120), (25, 15584896), (32, 12175700), (40, 9740560), (50, 7792448), (64, 6087850), (80, 4870280), (100, 3896224), (128, 3043925), (160, 2435140), (200, 1948112), (313, 1244800), (320, 1217570), (389, 1001600), (400, 974056), (626, 622400), (640, 608785), (778, 500800), (800, 487028), (1252, 311200), (1556, 250400), (1565, 248960), (1600, 243514), (1945, 200320), (2504, 155600), (3112, 125200), (3130, 124480), (3200, 121757), (3890, 100160), (5008, 77800), (6224, 62600), (6260, 62240), (7780, 50080), (7825, 49792), (9725, 40064), (10016, 38900), (12448, 31300), (12520, 31120), (15560, 25040), (15650, 24896), (19450, 20032)]