217089990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 629637120

約数和(自身を除く): 412547130

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 127, 130, 135, 195, 234, 254, 270, 351, 381, 390, 487, 585, 635, 702, 762, 974, 1143, 1170, 1270, 1461, 1651, 1755, 1905, 2286, 2435, 2922, 3302, 3429, 3510, 3810, 4383, 4870, 4953, 5715, 6331, 6858, 7305, 8255, 8766, 9906, 11430, 12662, 13149, 14610, 14859, 16510, 17145, 18993, 21915, 24765, 26298, 29718, 31655, 34290, 37986, 43830, 44577, 49530, 56979, 61849, 63310, 65745, 74295, 89154, 94965, 113958, 123698, 131490, 148590, 170937, 185547, 189930, 222885, 284895, 309245, 341874, 371094, 445770, 556641, 569790, 618490, 804037, 854685, 927735, 1113282, 1608074, 1669923, 1709370, 1855470, 2412111, 2783205, 3339846, 4020185, 4824222, 5566410, 7236333, 8040370, 8349615, 12060555, 14472666, 16699230, 21708999, 24121110, 36181665, 43417998, 72363330, 108544995, 217089990]

約数ペア:

[(1, 217089990), (2, 108544995), (3, 72363330), (5, 43417998), (6, 36181665), (9, 24121110), (10, 21708999), (13, 16699230), (15, 14472666), (18, 12060555), (26, 8349615), (27, 8040370), (30, 7236333), (39, 5566410), (45, 4824222), (54, 4020185), (65, 3339846), (78, 2783205), (90, 2412111), (117, 1855470), (127, 1709370), (130, 1669923), (135, 1608074), (195, 1113282), (234, 927735), (254, 854685), (270, 804037), (351, 618490), (381, 569790), (390, 556641), (487, 445770), (585, 371094), (635, 341874), (702, 309245), (762, 284895), (974, 222885), (1143, 189930), (1170, 185547), (1270, 170937), (1461, 148590), (1651, 131490), (1755, 123698), (1905, 113958), (2286, 94965), (2435, 89154), (2922, 74295), (3302, 65745), (3429, 63310), (3510, 61849), (3810, 56979), (4383, 49530), (4870, 44577), (4953, 43830), (5715, 37986), (6331, 34290), (6858, 31655), (7305, 29718), (8255, 26298), (8766, 24765), (9906, 21915), (11430, 18993), (12662, 17145), (13149, 16510), (14610, 14859)]