381849650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 938064960

約数和(自身を除く): 556215310

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 49, 50, 65, 70, 91, 95, 98, 130, 133, 175, 182, 190, 245, 247, 266, 325, 350, 455, 475, 490, 494, 631, 637, 650, 665, 910, 931, 950, 1225, 1235, 1262, 1274, 1330, 1729, 1862, 2275, 2450, 2470, 3155, 3185, 3325, 3458, 4417, 4550, 4655, 6175, 6310, 6370, 6650, 8203, 8645, 8834, 9310, 11989, 12103, 12350, 15775, 15925, 16406, 17290, 22085, 23275, 23978, 24206, 30919, 31550, 31850, 41015, 43225, 44170, 46550, 57421, 59945, 60515, 61838, 82030, 83923, 86450, 110425, 114842, 119890, 121030, 154595, 155857, 167846, 205075, 220850, 287105, 299725, 302575, 309190, 311714, 401947, 410150, 419615, 574210, 587461, 599450, 605150, 772975, 779285, 803894, 839230, 1090999, 1174922, 1435525, 1545950, 1558570, 2009735, 2098075, 2181998, 2871050, 2937305, 3896425, 4019470, 4196150, 5454995, 5874610, 7636993, 7792850, 10048675, 10909990, 14686525, 15273986, 20097350, 27274975, 29373050, 38184965, 54549950, 76369930, 190924825, 381849650]

約数ペア:

[(1, 381849650), (2, 190924825), (5, 76369930), (7, 54549950), (10, 38184965), (13, 29373050), (14, 27274975), (19, 20097350), (25, 15273986), (26, 14686525), (35, 10909990), (38, 10048675), (49, 7792850), (50, 7636993), (65, 5874610), (70, 5454995), (91, 4196150), (95, 4019470), (98, 3896425), (130, 2937305), (133, 2871050), (175, 2181998), (182, 2098075), (190, 2009735), (245, 1558570), (247, 1545950), (266, 1435525), (325, 1174922), (350, 1090999), (455, 839230), (475, 803894), (490, 779285), (494, 772975), (631, 605150), (637, 599450), (650, 587461), (665, 574210), (910, 419615), (931, 410150), (950, 401947), (1225, 311714), (1235, 309190), (1262, 302575), (1274, 299725), (1330, 287105), (1729, 220850), (1862, 205075), (2275, 167846), (2450, 155857), (2470, 154595), (3155, 121030), (3185, 119890), (3325, 114842), (3458, 110425), (4417, 86450), (4550, 83923), (4655, 82030), (6175, 61838), (6310, 60515), (6370, 59945), (6650, 57421), (8203, 46550), (8645, 44170), (8834, 43225), (9310, 41015), (11989, 31850), (12103, 31550), (12350, 30919), (15775, 24206), (15925, 23978), (16406, 23275), (17290, 22085)]