193921980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1279}}^1$

素因数の和:1336

約数の個数: 144

約数和(自身を含む): 655441920

約数和(自身を除く): 461519940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 570, 665, 722, 798, 1083, 1140, 1279, 1330, 1444, 1596, 1805, 1995, 2166, 2527, 2558, 2660, 3610, 3837, 3990, 4332, 5054, 5116, 5415, 6395, 7220, 7581, 7674, 7980, 8953, 10108, 10830, 12635, 12790, 15162, 15348, 17906, 19185, 21660, 24301, 25270, 25580, 26859, 30324, 35812, 37905, 38370, 44765, 48602, 50540, 53718, 72903, 75810, 76740, 89530, 97204, 107436, 121505, 134295, 145806, 151620, 170107, 179060, 243010, 268590, 291612, 340214, 364515, 461719, 486020, 510321, 537180, 680428, 729030, 850535, 923438, 1020642, 1385157, 1458060, 1701070, 1846876, 2041284, 2308595, 2551605, 2770314, 3232033, 3402140, 4617190, 5103210, 5540628, 6464066, 6925785, 9234380, 9696099, 10206420, 12928132, 13851570, 16160165, 19392198, 27703140, 32320330, 38784396, 48480495, 64640660, 96960990, 193921980]

約数ペア:

[(1, 193921980), (2, 96960990), (3, 64640660), (4, 48480495), (5, 38784396), (6, 32320330), (7, 27703140), (10, 19392198), (12, 16160165), (14, 13851570), (15, 12928132), (19, 10206420), (20, 9696099), (21, 9234380), (28, 6925785), (30, 6464066), (35, 5540628), (38, 5103210), (42, 4617190), (57, 3402140), (60, 3232033), (70, 2770314), (76, 2551605), (84, 2308595), (95, 2041284), (105, 1846876), (114, 1701070), (133, 1458060), (140, 1385157), (190, 1020642), (210, 923438), (228, 850535), (266, 729030), (285, 680428), (361, 537180), (380, 510321), (399, 486020), (420, 461719), (532, 364515), (570, 340214), (665, 291612), (722, 268590), (798, 243010), (1083, 179060), (1140, 170107), (1279, 151620), (1330, 145806), (1444, 134295), (1596, 121505), (1805, 107436), (1995, 97204), (2166, 89530), (2527, 76740), (2558, 75810), (2660, 72903), (3610, 53718), (3837, 50540), (3990, 48602), (4332, 44765), (5054, 38370), (5116, 37905), (5415, 35812), (6395, 30324), (7220, 26859), (7581, 25580), (7674, 25270), (7980, 24301), (8953, 21660), (10108, 19185), (10830, 17906), (12635, 15348), (12790, 15162)]