398972600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1089

約数の個数: 96

約数和(自身を含む): 1005873120

約数和(自身を除く): 606900520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 173, 200, 260, 325, 346, 520, 650, 692, 865, 887, 1300, 1384, 1730, 1774, 2249, 2600, 3460, 3548, 4325, 4435, 4498, 6920, 7096, 8650, 8870, 8996, 11245, 11531, 17300, 17740, 17992, 22175, 22490, 23062, 34600, 35480, 44350, 44980, 46124, 56225, 57655, 88700, 89960, 92248, 112450, 115310, 153451, 177400, 224900, 230620, 288275, 306902, 449800, 461240, 576550, 613804, 767255, 1153100, 1227608, 1534510, 1994863, 2306200, 3069020, 3836275, 3989726, 6138040, 7672550, 7979452, 9974315, 15345100, 15958904, 19948630, 30690200, 39897260, 49871575, 79794520, 99743150, 199486300, 398972600]

約数ペア:

[(1, 398972600), (2, 199486300), (4, 99743150), (5, 79794520), (8, 49871575), (10, 39897260), (13, 30690200), (20, 19948630), (25, 15958904), (26, 15345100), (40, 9974315), (50, 7979452), (52, 7672550), (65, 6138040), (100, 3989726), (104, 3836275), (130, 3069020), (173, 2306200), (200, 1994863), (260, 1534510), (325, 1227608), (346, 1153100), (520, 767255), (650, 613804), (692, 576550), (865, 461240), (887, 449800), (1300, 306902), (1384, 288275), (1730, 230620), (1774, 224900), (2249, 177400), (2600, 153451), (3460, 115310), (3548, 112450), (4325, 92248), (4435, 89960), (4498, 88700), (6920, 57655), (7096, 56225), (8650, 46124), (8870, 44980), (8996, 44350), (11245, 35480), (11531, 34600), (17300, 23062), (17740, 22490), (17992, 22175)]