28831500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 93693600

約数和(自身を除く): 64862100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 125, 129, 149, 150, 172, 180, 215, 225, 250, 258, 298, 300, 375, 387, 430, 447, 450, 500, 516, 596, 645, 745, 750, 774, 860, 894, 900, 1075, 1125, 1290, 1341, 1490, 1500, 1548, 1788, 1935, 2150, 2235, 2250, 2580, 2682, 2980, 3225, 3725, 3870, 4300, 4470, 4500, 5364, 5375, 6407, 6450, 6705, 7450, 7740, 8940, 9675, 10750, 11175, 12814, 12900, 13410, 14900, 16125, 18625, 19221, 19350, 21500, 22350, 25628, 26820, 32035, 32250, 33525, 37250, 38442, 38700, 44700, 48375, 55875, 57663, 64070, 64500, 67050, 74500, 76884, 96105, 96750, 111750, 115326, 128140, 134100, 160175, 167625, 192210, 193500, 223500, 230652, 288315, 320350, 335250, 384420, 480525, 576630, 640700, 670500, 800875, 961050, 1153260, 1441575, 1601750, 1922100, 2402625, 2883150, 3203500, 4805250, 5766300, 7207875, 9610500, 14415750, 28831500]

約数ペア:

[(1, 28831500), (2, 14415750), (3, 9610500), (4, 7207875), (5, 5766300), (6, 4805250), (9, 3203500), (10, 2883150), (12, 2402625), (15, 1922100), (18, 1601750), (20, 1441575), (25, 1153260), (30, 961050), (36, 800875), (43, 670500), (45, 640700), (50, 576630), (60, 480525), (75, 384420), (86, 335250), (90, 320350), (100, 288315), (125, 230652), (129, 223500), (149, 193500), (150, 192210), (172, 167625), (180, 160175), (215, 134100), (225, 128140), (250, 115326), (258, 111750), (298, 96750), (300, 96105), (375, 76884), (387, 74500), (430, 67050), (447, 64500), (450, 64070), (500, 57663), (516, 55875), (596, 48375), (645, 44700), (745, 38700), (750, 38442), (774, 37250), (860, 33525), (894, 32250), (900, 32035), (1075, 26820), (1125, 25628), (1290, 22350), (1341, 21500), (1490, 19350), (1500, 19221), (1548, 18625), (1788, 16125), (1935, 14900), (2150, 13410), (2235, 12900), (2250, 12814), (2580, 11175), (2682, 10750), (2980, 9675), (3225, 8940), (3725, 7740), (3870, 7450), (4300, 6705), (4470, 6450), (4500, 6407), (5364, 5375)]