391355550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1456

約数の個数: 120

約数和(自身を含む): 1103514192

約数和(自身を除く): 712158642

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 71, 75, 81, 90, 135, 142, 150, 162, 213, 225, 270, 355, 405, 426, 450, 639, 675, 710, 810, 1065, 1278, 1350, 1361, 1775, 1917, 2025, 2130, 2722, 3195, 3550, 3834, 4050, 4083, 5325, 5751, 6390, 6805, 8166, 9585, 10650, 11502, 12249, 13610, 15975, 19170, 20415, 24498, 28755, 31950, 34025, 36747, 40830, 47925, 57510, 61245, 68050, 73494, 95850, 96631, 102075, 110241, 122490, 143775, 183735, 193262, 204150, 220482, 287550, 289893, 306225, 367470, 483155, 551205, 579786, 612450, 869679, 918675, 966310, 1102410, 1449465, 1739358, 1837350, 2415775, 2609037, 2756025, 2898930, 4348395, 4831550, 5218074, 5512050, 7247325, 7827111, 8696790, 13045185, 14494650, 15654222, 21741975, 26090370, 39135555, 43483950, 65225925, 78271110, 130451850, 195677775, 391355550]

約数ペア:

[(1, 391355550), (2, 195677775), (3, 130451850), (5, 78271110), (6, 65225925), (9, 43483950), (10, 39135555), (15, 26090370), (18, 21741975), (25, 15654222), (27, 14494650), (30, 13045185), (45, 8696790), (50, 7827111), (54, 7247325), (71, 5512050), (75, 5218074), (81, 4831550), (90, 4348395), (135, 2898930), (142, 2756025), (150, 2609037), (162, 2415775), (213, 1837350), (225, 1739358), (270, 1449465), (355, 1102410), (405, 966310), (426, 918675), (450, 869679), (639, 612450), (675, 579786), (710, 551205), (810, 483155), (1065, 367470), (1278, 306225), (1350, 289893), (1361, 287550), (1775, 220482), (1917, 204150), (2025, 193262), (2130, 183735), (2722, 143775), (3195, 122490), (3550, 110241), (3834, 102075), (4050, 96631), (4083, 95850), (5325, 73494), (5751, 68050), (6390, 61245), (6805, 57510), (8166, 47925), (9585, 40830), (10650, 36747), (11502, 34025), (12249, 31950), (13610, 28755), (15975, 24498), (19170, 20415)]