397222680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{194717}}^1$

素因数の和:194748

約数の個数: 64

約数和(自身を含む): 1261772640

約数和(自身を除く): 864549960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 194717, 389434, 584151, 778868, 973585, 1168302, 1557736, 1947170, 2336604, 2920755, 3310189, 3894340, 4673208, 5841510, 6620378, 7788680, 9930567, 11683020, 13240756, 16550945, 19861134, 23366040, 26481512, 33101890, 39722268, 49652835, 66203780, 79444536, 99305670, 132407560, 198611340, 397222680]

約数ペア:

[(1, 397222680), (2, 198611340), (3, 132407560), (4, 99305670), (5, 79444536), (6, 66203780), (8, 49652835), (10, 39722268), (12, 33101890), (15, 26481512), (17, 23366040), (20, 19861134), (24, 16550945), (30, 13240756), (34, 11683020), (40, 9930567), (51, 7788680), (60, 6620378), (68, 5841510), (85, 4673208), (102, 3894340), (120, 3310189), (136, 2920755), (170, 2336604), (204, 1947170), (255, 1557736), (340, 1168302), (408, 973585), (510, 778868), (680, 584151), (1020, 389434), (2040, 194717)]