28526220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:492

約数の個数: 108

約数和(自身を含む): 91531440

約数和(自身を除く): 63005220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 439, 570, 684, 722, 855, 878, 1083, 1140, 1317, 1444, 1710, 1756, 1805, 2166, 2195, 2634, 3249, 3420, 3610, 3951, 4332, 4390, 5268, 5415, 6498, 6585, 7220, 7902, 8341, 8780, 10830, 12996, 13170, 15804, 16245, 16682, 19755, 21660, 25023, 26340, 32490, 33364, 39510, 41705, 50046, 64980, 75069, 79020, 83410, 100092, 125115, 150138, 158479, 166820, 250230, 300276, 316958, 375345, 475437, 500460, 633916, 750690, 792395, 950874, 1426311, 1501380, 1584790, 1901748, 2377185, 2852622, 3169580, 4754370, 5705244, 7131555, 9508740, 14263110, 28526220]

約数ペア:

[(1, 28526220), (2, 14263110), (3, 9508740), (4, 7131555), (5, 5705244), (6, 4754370), (9, 3169580), (10, 2852622), (12, 2377185), (15, 1901748), (18, 1584790), (19, 1501380), (20, 1426311), (30, 950874), (36, 792395), (38, 750690), (45, 633916), (57, 500460), (60, 475437), (76, 375345), (90, 316958), (95, 300276), (114, 250230), (171, 166820), (180, 158479), (190, 150138), (228, 125115), (285, 100092), (342, 83410), (361, 79020), (380, 75069), (439, 64980), (570, 50046), (684, 41705), (722, 39510), (855, 33364), (878, 32490), (1083, 26340), (1140, 25023), (1317, 21660), (1444, 19755), (1710, 16682), (1756, 16245), (1805, 15804), (2166, 13170), (2195, 12996), (2634, 10830), (3249, 8780), (3420, 8341), (3610, 7902), (3951, 7220), (4332, 6585), (4390, 6498), (5268, 5415)]