19983730500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{1511}}^1\times {\mathrm{2939}}^1$

素因数の和:4475

約数の個数: 144

約数和(自身を含む): 63105194880

約数和(自身を除く): 43121464380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 1511, 2250, 2939, 3022, 4500, 4533, 5878, 6044, 7555, 8817, 9066, 11756, 13599, 14695, 15110, 17634, 18132, 22665, 26451, 27198, 29390, 30220, 35268, 37775, 44085, 45330, 52902, 54396, 58780, 67995, 73475, 75550, 88170, 90660, 105804, 113325, 132255, 135990, 146950, 151100, 176340, 188875, 220425, 226650, 264510, 271980, 293900, 339975, 367375, 377750, 440850, 453300, 529020, 566625, 661275, 679950, 734750, 755500, 881700, 1102125, 1133250, 1322550, 1359900, 1469500, 1699875, 2204250, 2266500, 2645100, 3306375, 3399750, 4408500, 4440829, 6612750, 6799500, 8881658, 13225500, 13322487, 17763316, 22204145, 26644974, 39967461, 44408290, 53289948, 66612435, 79934922, 88816580, 111020725, 133224870, 159869844, 199837305, 222041450, 266449740, 333062175, 399674610, 444082900, 555103625, 666124350, 799349220, 999186525, 1110207250, 1332248700, 1665310875, 1998373050, 2220414500, 3330621750, 3996746100, 4995932625, 6661243500, 9991865250, 19983730500]

約数ペア:

[(1, 19983730500), (2, 9991865250), (3, 6661243500), (4, 4995932625), (5, 3996746100), (6, 3330621750), (9, 2220414500), (10, 1998373050), (12, 1665310875), (15, 1332248700), (18, 1110207250), (20, 999186525), (25, 799349220), (30, 666124350), (36, 555103625), (45, 444082900), (50, 399674610), (60, 333062175), (75, 266449740), (90, 222041450), (100, 199837305), (125, 159869844), (150, 133224870), (180, 111020725), (225, 88816580), (250, 79934922), (300, 66612435), (375, 53289948), (450, 44408290), (500, 39967461), (750, 26644974), (900, 22204145), (1125, 17763316), (1500, 13322487), (1511, 13225500), (2250, 8881658), (2939, 6799500), (3022, 6612750), (4500, 4440829), (4533, 4408500), (5878, 3399750), (6044, 3306375), (7555, 2645100), (8817, 2266500), (9066, 2204250), (11756, 1699875), (13599, 1469500), (14695, 1359900), (15110, 1322550), (17634, 1133250), (18132, 1102125), (22665, 881700), (26451, 755500), (27198, 734750), (29390, 679950), (30220, 661275), (35268, 566625), (37775, 529020), (44085, 453300), (45330, 440850), (52902, 377750), (54396, 367375), (58780, 339975), (67995, 293900), (73475, 271980), (75550, 264510), (88170, 226650), (90660, 220425), (105804, 188875), (113325, 176340), (132255, 151100), (135990, 146950)]