390279890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 128

約数和(自身を含む): 953745408

約数和(自身を除く): 563465518

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 127, 130, 143, 154, 182, 254, 286, 307, 385, 455, 614, 635, 715, 770, 889, 910, 1001, 1270, 1397, 1430, 1535, 1651, 1778, 2002, 2149, 2794, 3070, 3302, 3377, 3991, 4298, 4445, 5005, 6754, 6985, 7982, 8255, 8890, 9779, 10010, 10745, 11557, 13970, 16510, 16885, 18161, 19558, 19955, 21490, 23114, 23639, 27937, 33770, 36322, 38989, 39910, 43901, 47278, 48895, 55874, 57785, 77978, 87802, 90805, 97790, 115570, 118195, 127127, 139685, 181610, 194945, 219505, 236390, 254254, 272923, 279370, 307307, 389890, 428879, 439010, 506857, 545846, 614614, 635635, 857758, 1013714, 1271270, 1364615, 1536535, 2144395, 2534285, 2729230, 3002153, 3073070, 3547999, 4288790, 5068570, 5575427, 6004306, 7095998, 11150854, 15010765, 17739995, 27877135, 30021530, 35479990, 39027989, 55754270, 78055978, 195139945, 390279890]

約数ペア:

[(1, 390279890), (2, 195139945), (5, 78055978), (7, 55754270), (10, 39027989), (11, 35479990), (13, 30021530), (14, 27877135), (22, 17739995), (26, 15010765), (35, 11150854), (55, 7095998), (65, 6004306), (70, 5575427), (77, 5068570), (91, 4288790), (110, 3547999), (127, 3073070), (130, 3002153), (143, 2729230), (154, 2534285), (182, 2144395), (254, 1536535), (286, 1364615), (307, 1271270), (385, 1013714), (455, 857758), (614, 635635), (635, 614614), (715, 545846), (770, 506857), (889, 439010), (910, 428879), (1001, 389890), (1270, 307307), (1397, 279370), (1430, 272923), (1535, 254254), (1651, 236390), (1778, 219505), (2002, 194945), (2149, 181610), (2794, 139685), (3070, 127127), (3302, 118195), (3377, 115570), (3991, 97790), (4298, 90805), (4445, 87802), (5005, 77978), (6754, 57785), (6985, 55874), (7982, 48895), (8255, 47278), (8890, 43901), (9779, 39910), (10010, 38989), (10745, 36322), (11557, 33770), (13970, 27937), (16510, 23639), (16885, 23114), (18161, 21490), (19558, 19955)]