238454940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 718169760

約数和(自身を除く): 479714820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 101, 109, 114, 190, 202, 218, 228, 285, 303, 327, 361, 380, 404, 436, 505, 545, 570, 606, 654, 722, 1010, 1083, 1090, 1140, 1212, 1308, 1444, 1515, 1635, 1805, 1919, 2020, 2071, 2166, 2180, 3030, 3270, 3610, 3838, 4142, 4332, 5415, 5757, 6060, 6213, 6540, 7220, 7676, 8284, 9595, 10355, 10830, 11009, 11514, 12426, 19190, 20710, 21660, 22018, 23028, 24852, 28785, 31065, 33027, 36461, 38380, 39349, 41420, 44036, 55045, 57570, 62130, 66054, 72922, 78698, 109383, 110090, 115140, 118047, 124260, 132108, 145844, 157396, 165135, 182305, 196745, 209171, 218766, 220180, 236094, 330270, 364610, 393490, 418342, 437532, 472188, 546915, 590235, 627513, 660540, 729220, 786980, 836684, 1045855, 1093830, 1180470, 1255026, 2091710, 2187660, 2360940, 2510052, 3137565, 3974249, 4183420, 6275130, 7948498, 11922747, 12550260, 15896996, 19871245, 23845494, 39742490, 47690988, 59613735, 79484980, 119227470, 238454940]

約数ペア:

[(1, 238454940), (2, 119227470), (3, 79484980), (4, 59613735), (5, 47690988), (6, 39742490), (10, 23845494), (12, 19871245), (15, 15896996), (19, 12550260), (20, 11922747), (30, 7948498), (38, 6275130), (57, 4183420), (60, 3974249), (76, 3137565), (95, 2510052), (101, 2360940), (109, 2187660), (114, 2091710), (190, 1255026), (202, 1180470), (218, 1093830), (228, 1045855), (285, 836684), (303, 786980), (327, 729220), (361, 660540), (380, 627513), (404, 590235), (436, 546915), (505, 472188), (545, 437532), (570, 418342), (606, 393490), (654, 364610), (722, 330270), (1010, 236094), (1083, 220180), (1090, 218766), (1140, 209171), (1212, 196745), (1308, 182305), (1444, 165135), (1515, 157396), (1635, 145844), (1805, 132108), (1919, 124260), (2020, 118047), (2071, 115140), (2166, 110090), (2180, 109383), (3030, 78698), (3270, 72922), (3610, 66054), (3838, 62130), (4142, 57570), (4332, 55045), (5415, 44036), (5757, 41420), (6060, 39349), (6213, 38380), (6540, 36461), (7220, 33027), (7676, 31065), (8284, 28785), (9595, 24852), (10355, 23028), (10830, 22018), (11009, 21660), (11514, 20710), (12426, 19190)]