397345480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3931}}^1$

素因数の和:3987

約数の個数: 96

約数和(自身を含む): 1078626240

約数和(自身を除く): 681280760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 361, 380, 532, 665, 722, 760, 1064, 1330, 1444, 1805, 2527, 2660, 2888, 3610, 3931, 5054, 5320, 7220, 7862, 10108, 12635, 14440, 15724, 19655, 20216, 25270, 27517, 31448, 39310, 50540, 55034, 74689, 78620, 101080, 110068, 137585, 149378, 157240, 220136, 275170, 298756, 373445, 522823, 550340, 597512, 746890, 1045646, 1100680, 1419091, 1493780, 2091292, 2614115, 2838182, 2987560, 4182584, 5228230, 5676364, 7095455, 9933637, 10456460, 11352728, 14190910, 19867274, 20912920, 28381820, 39734548, 49668185, 56763640, 79469096, 99336370, 198672740, 397345480]

約数ペア:

[(1, 397345480), (2, 198672740), (4, 99336370), (5, 79469096), (7, 56763640), (8, 49668185), (10, 39734548), (14, 28381820), (19, 20912920), (20, 19867274), (28, 14190910), (35, 11352728), (38, 10456460), (40, 9933637), (56, 7095455), (70, 5676364), (76, 5228230), (95, 4182584), (133, 2987560), (140, 2838182), (152, 2614115), (190, 2091292), (266, 1493780), (280, 1419091), (361, 1100680), (380, 1045646), (532, 746890), (665, 597512), (722, 550340), (760, 522823), (1064, 373445), (1330, 298756), (1444, 275170), (1805, 220136), (2527, 157240), (2660, 149378), (2888, 137585), (3610, 110068), (3931, 101080), (5054, 78620), (5320, 74689), (7220, 55034), (7862, 50540), (10108, 39310), (12635, 31448), (14440, 27517), (15724, 25270), (19655, 20216)]