31154200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:75

約数の個数: 216

約数和(自身を含む): 97644420

約数和(自身を除く): 66490220

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 40, 44, 49, 50, 55, 56, 68, 70, 77, 85, 88, 98, 100, 110, 119, 136, 140, 154, 170, 175, 187, 196, 200, 220, 238, 245, 275, 280, 289, 308, 340, 350, 374, 385, 392, 425, 440, 476, 490, 539, 550, 578, 595, 616, 680, 700, 748, 770, 833, 850, 935, 952, 980, 1078, 1100, 1156, 1190, 1225, 1309, 1400, 1445, 1496, 1540, 1666, 1700, 1870, 1925, 1960, 2023, 2156, 2200, 2312, 2380, 2450, 2618, 2695, 2890, 2975, 3080, 3179, 3332, 3400, 3740, 3850, 4046, 4165, 4312, 4675, 4760, 4900, 5236, 5390, 5780, 5950, 6358, 6545, 6664, 7225, 7480, 7700, 8092, 8330, 9163, 9350, 9800, 10115, 10472, 10780, 11560, 11900, 12716, 13090, 13475, 14161, 14450, 15400, 15895, 16184, 16660, 18326, 18700, 20230, 20825, 21560, 22253, 23800, 25432, 26180, 26950, 28322, 28900, 31790, 32725, 33320, 36652, 37400, 40460, 41650, 44506, 45815, 50575, 52360, 53900, 56644, 57800, 63580, 65450, 70805, 73304, 79475, 80920, 83300, 89012, 91630, 101150, 107800, 111265, 113288, 127160, 130900, 141610, 155771, 158950, 166600, 178024, 183260, 202300, 222530, 229075, 261800, 283220, 311542, 317900, 354025, 366520, 404600, 445060, 458150, 556325, 566440, 623084, 635800, 708050, 778855, 890120, 916300, 1112650, 1246168, 1416100, 1557710, 1832600, 2225300, 2832200, 3115420, 3894275, 4450600, 6230840, 7788550, 15577100, 31154200]

約数ペア:

[(1, 31154200), (2, 15577100), (4, 7788550), (5, 6230840), (7, 4450600), (8, 3894275), (10, 3115420), (11, 2832200), (14, 2225300), (17, 1832600), (20, 1557710), (22, 1416100), (25, 1246168), (28, 1112650), (34, 916300), (35, 890120), (40, 778855), (44, 708050), (49, 635800), (50, 623084), (55, 566440), (56, 556325), (68, 458150), (70, 445060), (77, 404600), (85, 366520), (88, 354025), (98, 317900), (100, 311542), (110, 283220), (119, 261800), (136, 229075), (140, 222530), (154, 202300), (170, 183260), (175, 178024), (187, 166600), (196, 158950), (200, 155771), (220, 141610), (238, 130900), (245, 127160), (275, 113288), (280, 111265), (289, 107800), (308, 101150), (340, 91630), (350, 89012), (374, 83300), (385, 80920), (392, 79475), (425, 73304), (440, 70805), (476, 65450), (490, 63580), (539, 57800), (550, 56644), (578, 53900), (595, 52360), (616, 50575), (680, 45815), (700, 44506), (748, 41650), (770, 40460), (833, 37400), (850, 36652), (935, 33320), (952, 32725), (980, 31790), (1078, 28900), (1100, 28322), (1156, 26950), (1190, 26180), (1225, 25432), (1309, 23800), (1400, 22253), (1445, 21560), (1496, 20825), (1540, 20230), (1666, 18700), (1700, 18326), (1870, 16660), (1925, 16184), (1960, 15895), (2023, 15400), (2156, 14450), (2200, 14161), (2312, 13475), (2380, 13090), (2450, 12716), (2618, 11900), (2695, 11560), (2890, 10780), (2975, 10472), (3080, 10115), (3179, 9800), (3332, 9350), (3400, 9163), (3740, 8330), (3850, 8092), (4046, 7700), (4165, 7480), (4312, 7225), (4675, 6664), (4760, 6545), (4900, 6358), (5236, 5950), (5390, 5780)]