28990500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:291

約数の個数: 192

約数和(自身を含む): 105670656

約数和(自身を除く): 76680156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 125, 132, 140, 150, 154, 165, 175, 210, 220, 231, 250, 251, 275, 300, 308, 330, 350, 375, 385, 420, 462, 500, 502, 525, 550, 660, 700, 750, 753, 770, 825, 875, 924, 1004, 1050, 1100, 1155, 1255, 1375, 1500, 1506, 1540, 1650, 1750, 1757, 1925, 2100, 2310, 2510, 2625, 2750, 2761, 3012, 3300, 3500, 3514, 3765, 3850, 4125, 4620, 5020, 5250, 5271, 5500, 5522, 5775, 6275, 7028, 7530, 7700, 8250, 8283, 8785, 9625, 10500, 10542, 11044, 11550, 12550, 13805, 15060, 16500, 16566, 17570, 18825, 19250, 19327, 21084, 23100, 25100, 26355, 27610, 28875, 31375, 33132, 35140, 37650, 38500, 38654, 41415, 43925, 52710, 55220, 57750, 57981, 62750, 69025, 75300, 77308, 82830, 87850, 94125, 96635, 105420, 115500, 115962, 125500, 131775, 138050, 165660, 175700, 188250, 193270, 207075, 219625, 231924, 263550, 276100, 289905, 345125, 376500, 386540, 414150, 439250, 483175, 527100, 579810, 658875, 690250, 828300, 878500, 966350, 1035375, 1159620, 1317750, 1380500, 1449525, 1932700, 2070750, 2415875, 2635500, 2899050, 4141500, 4831750, 5798100, 7247625, 9663500, 14495250, 28990500]

約数ペア:

[(1, 28990500), (2, 14495250), (3, 9663500), (4, 7247625), (5, 5798100), (6, 4831750), (7, 4141500), (10, 2899050), (11, 2635500), (12, 2415875), (14, 2070750), (15, 1932700), (20, 1449525), (21, 1380500), (22, 1317750), (25, 1159620), (28, 1035375), (30, 966350), (33, 878500), (35, 828300), (42, 690250), (44, 658875), (50, 579810), (55, 527100), (60, 483175), (66, 439250), (70, 414150), (75, 386540), (77, 376500), (84, 345125), (100, 289905), (105, 276100), (110, 263550), (125, 231924), (132, 219625), (140, 207075), (150, 193270), (154, 188250), (165, 175700), (175, 165660), (210, 138050), (220, 131775), (231, 125500), (250, 115962), (251, 115500), (275, 105420), (300, 96635), (308, 94125), (330, 87850), (350, 82830), (375, 77308), (385, 75300), (420, 69025), (462, 62750), (500, 57981), (502, 57750), (525, 55220), (550, 52710), (660, 43925), (700, 41415), (750, 38654), (753, 38500), (770, 37650), (825, 35140), (875, 33132), (924, 31375), (1004, 28875), (1050, 27610), (1100, 26355), (1155, 25100), (1255, 23100), (1375, 21084), (1500, 19327), (1506, 19250), (1540, 18825), (1650, 17570), (1750, 16566), (1757, 16500), (1925, 15060), (2100, 13805), (2310, 12550), (2510, 11550), (2625, 11044), (2750, 10542), (2761, 10500), (3012, 9625), (3300, 8785), (3500, 8283), (3514, 8250), (3765, 7700), (3850, 7530), (4125, 7028), (4620, 6275), (5020, 5775), (5250, 5522), (5271, 5500)]