212877140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 541900800

約数和(自身を除く): 329023660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 191, 266, 380, 382, 419, 532, 665, 764, 838, 955, 1330, 1337, 1676, 1910, 2095, 2660, 2674, 2933, 3629, 3820, 4190, 5348, 5866, 6685, 7258, 7961, 8380, 11732, 13370, 14516, 14665, 15922, 18145, 25403, 26740, 29330, 31844, 36290, 39805, 50806, 55727, 58660, 72580, 79610, 80029, 101612, 111454, 127015, 159220, 160058, 222908, 254030, 278635, 320116, 400145, 508060, 557270, 560203, 800290, 1114540, 1120406, 1520551, 1600580, 2240812, 2801015, 3041102, 5602030, 6082204, 7602755, 10643857, 11204060, 15205510, 21287714, 30411020, 42575428, 53219285, 106438570, 212877140]

約数ペア:

[(1, 212877140), (2, 106438570), (4, 53219285), (5, 42575428), (7, 30411020), (10, 21287714), (14, 15205510), (19, 11204060), (20, 10643857), (28, 7602755), (35, 6082204), (38, 5602030), (70, 3041102), (76, 2801015), (95, 2240812), (133, 1600580), (140, 1520551), (190, 1120406), (191, 1114540), (266, 800290), (380, 560203), (382, 557270), (419, 508060), (532, 400145), (665, 320116), (764, 278635), (838, 254030), (955, 222908), (1330, 160058), (1337, 159220), (1676, 127015), (1910, 111454), (2095, 101612), (2660, 80029), (2674, 79610), (2933, 72580), (3629, 58660), (3820, 55727), (4190, 50806), (5348, 39805), (5866, 36290), (6685, 31844), (7258, 29330), (7961, 26740), (8380, 25403), (11732, 18145), (13370, 15922), (14516, 14665)]