4921497560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:801

約数の個数: 128

約数和(自身を含む): 12802406400

約数和(自身を除く): 7880908840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 251, 280, 293, 478, 502, 586, 956, 1004, 1172, 1195, 1255, 1465, 1673, 1757, 1912, 2008, 2051, 2344, 2390, 2510, 2930, 3346, 3514, 4102, 4780, 5020, 5860, 6692, 7028, 8204, 8365, 8785, 9560, 10040, 10255, 11720, 13384, 14056, 16408, 16730, 17570, 20510, 33460, 35140, 41020, 59989, 66920, 70027, 70280, 73543, 82040, 119978, 140054, 147086, 239956, 280108, 294172, 299945, 350135, 367715, 419923, 479912, 490189, 514801, 560216, 588344, 599890, 700270, 735430, 839846, 980378, 1029602, 1199780, 1400540, 1470860, 1679692, 1960756, 2059204, 2099615, 2399560, 2450945, 2574005, 2801080, 2941720, 3359384, 3921512, 4118408, 4199230, 4901890, 5148010, 8398460, 9803780, 10296020, 16796920, 17576777, 19607560, 20592040, 35153554, 70307108, 87883885, 123037439, 140614216, 175767770, 246074878, 351535540, 492149756, 615187195, 703071080, 984299512, 1230374390, 2460748780, 4921497560]

約数ペア:

[(1, 4921497560), (2, 2460748780), (4, 1230374390), (5, 984299512), (7, 703071080), (8, 615187195), (10, 492149756), (14, 351535540), (20, 246074878), (28, 175767770), (35, 140614216), (40, 123037439), (56, 87883885), (70, 70307108), (140, 35153554), (239, 20592040), (251, 19607560), (280, 17576777), (293, 16796920), (478, 10296020), (502, 9803780), (586, 8398460), (956, 5148010), (1004, 4901890), (1172, 4199230), (1195, 4118408), (1255, 3921512), (1465, 3359384), (1673, 2941720), (1757, 2801080), (1912, 2574005), (2008, 2450945), (2051, 2399560), (2344, 2099615), (2390, 2059204), (2510, 1960756), (2930, 1679692), (3346, 1470860), (3514, 1400540), (4102, 1199780), (4780, 1029602), (5020, 980378), (5860, 839846), (6692, 735430), (7028, 700270), (8204, 599890), (8365, 588344), (8785, 560216), (9560, 514801), (10040, 490189), (10255, 479912), (11720, 419923), (13384, 367715), (14056, 350135), (16408, 299945), (16730, 294172), (17570, 280108), (20510, 239956), (33460, 147086), (35140, 140054), (41020, 119978), (59989, 82040), (66920, 73543), (70027, 70280)]