389528880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6571}}^1$

素因数の和:6619

約数の個数: 160

約数和(自身を含む): 1369079040

約数和(自身を除く): 979550160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3705, 3952, 4560, 4940, 5928, 6571, 7410, 9880, 11856, 13142, 14820, 19713, 19760, 26284, 29640, 32855, 39426, 52568, 59280, 65710, 78852, 85423, 98565, 105136, 124849, 131420, 157704, 170846, 197130, 249698, 256269, 262840, 315408, 341692, 374547, 394260, 427115, 499396, 512538, 525680, 624245, 683384, 749094, 788520, 854230, 998792, 1025076, 1248490, 1281345, 1366768, 1498188, 1577040, 1623037, 1708460, 1872735, 1997584, 2050152, 2496980, 2562690, 2996376, 3246074, 3416920, 3745470, 4100304, 4869111, 4993960, 5125380, 5992752, 6492148, 6833840, 7490940, 8115185, 9738222, 9987920, 10250760, 12984296, 14981880, 16230370, 19476444, 20501520, 24345555, 25968592, 29963760, 32460740, 38952888, 48691110, 64921480, 77905776, 97382220, 129842960, 194764440, 389528880]

約数ペア:

[(1, 389528880), (2, 194764440), (3, 129842960), (4, 97382220), (5, 77905776), (6, 64921480), (8, 48691110), (10, 38952888), (12, 32460740), (13, 29963760), (15, 25968592), (16, 24345555), (19, 20501520), (20, 19476444), (24, 16230370), (26, 14981880), (30, 12984296), (38, 10250760), (39, 9987920), (40, 9738222), (48, 8115185), (52, 7490940), (57, 6833840), (60, 6492148), (65, 5992752), (76, 5125380), (78, 4993960), (80, 4869111), (95, 4100304), (104, 3745470), (114, 3416920), (120, 3246074), (130, 2996376), (152, 2562690), (156, 2496980), (190, 2050152), (195, 1997584), (208, 1872735), (228, 1708460), (240, 1623037), (247, 1577040), (260, 1498188), (285, 1366768), (304, 1281345), (312, 1248490), (380, 1025076), (390, 998792), (456, 854230), (494, 788520), (520, 749094), (570, 683384), (624, 624245), (741, 525680), (760, 512538), (780, 499396), (912, 427115), (988, 394260), (1040, 374547), (1140, 341692), (1235, 315408), (1482, 262840), (1520, 256269), (1560, 249698), (1976, 197130), (2280, 170846), (2470, 157704), (2964, 131420), (3120, 124849), (3705, 105136), (3952, 98565), (4560, 85423), (4940, 78852), (5928, 65710), (6571, 59280), (7410, 52568), (9880, 39426), (11856, 32855), (13142, 29640), (14820, 26284), (19713, 19760)]