31162460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 78744960

約数和(自身を除く): 47582500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 61, 70, 82, 89, 122, 140, 164, 178, 205, 244, 287, 305, 356, 410, 427, 445, 574, 610, 623, 820, 854, 890, 1148, 1220, 1246, 1435, 1708, 1780, 2135, 2492, 2501, 2870, 3115, 3649, 4270, 5002, 5429, 5740, 6230, 7298, 8540, 10004, 10858, 12460, 12505, 14596, 17507, 18245, 21716, 25010, 25543, 27145, 35014, 36490, 38003, 50020, 51086, 54290, 70028, 72980, 76006, 87535, 102172, 108580, 127715, 152012, 175070, 190015, 222589, 255430, 350140, 380030, 445178, 510860, 760060, 890356, 1112945, 1558123, 2225890, 3116246, 4451780, 6232492, 7790615, 15581230, 31162460]

約数ペア:

[(1, 31162460), (2, 15581230), (4, 7790615), (5, 6232492), (7, 4451780), (10, 3116246), (14, 2225890), (20, 1558123), (28, 1112945), (35, 890356), (41, 760060), (61, 510860), (70, 445178), (82, 380030), (89, 350140), (122, 255430), (140, 222589), (164, 190015), (178, 175070), (205, 152012), (244, 127715), (287, 108580), (305, 102172), (356, 87535), (410, 76006), (427, 72980), (445, 70028), (574, 54290), (610, 51086), (623, 50020), (820, 38003), (854, 36490), (890, 35014), (1148, 27145), (1220, 25543), (1246, 25010), (1435, 21716), (1708, 18245), (1780, 17507), (2135, 14596), (2492, 12505), (2501, 12460), (2870, 10858), (3115, 10004), (3649, 8540), (4270, 7298), (5002, 6230), (5429, 5740)]