212957100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 180

約数和(自身を含む): 703267488

約数和(自身を除く): 490310388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 61, 75, 81, 90, 100, 108, 122, 135, 150, 162, 180, 183, 225, 244, 270, 300, 305, 324, 366, 405, 431, 450, 540, 549, 610, 675, 732, 810, 862, 900, 915, 1098, 1220, 1293, 1350, 1525, 1620, 1647, 1724, 1830, 2025, 2155, 2196, 2586, 2700, 2745, 3050, 3294, 3660, 3879, 4050, 4310, 4575, 4941, 5172, 5490, 6100, 6465, 6588, 7758, 8100, 8235, 8620, 9150, 9882, 10775, 10980, 11637, 12930, 13725, 15516, 16470, 18300, 19395, 19764, 21550, 23274, 24705, 25860, 26291, 27450, 32325, 32940, 34911, 38790, 41175, 43100, 46548, 49410, 52582, 54900, 58185, 64650, 69822, 77580, 78873, 82350, 96975, 98820, 105164, 116370, 123525, 129300, 131455, 139644, 157746, 164700, 174555, 193950, 232740, 236619, 247050, 262910, 290925, 315492, 349110, 387900, 394365, 473238, 494100, 525820, 581850, 657275, 698220, 709857, 788730, 872775, 946476, 1163700, 1183095, 1314550, 1419714, 1577460, 1745550, 1971825, 2129571, 2366190, 2629100, 2839428, 3491100, 3549285, 3943650, 4259142, 4732380, 5915475, 7098570, 7887300, 8518284, 10647855, 11830950, 14197140, 17746425, 21295710, 23661900, 35492850, 42591420, 53239275, 70985700, 106478550, 212957100]

約数ペア:

[(1, 212957100), (2, 106478550), (3, 70985700), (4, 53239275), (5, 42591420), (6, 35492850), (9, 23661900), (10, 21295710), (12, 17746425), (15, 14197140), (18, 11830950), (20, 10647855), (25, 8518284), (27, 7887300), (30, 7098570), (36, 5915475), (45, 4732380), (50, 4259142), (54, 3943650), (60, 3549285), (61, 3491100), (75, 2839428), (81, 2629100), (90, 2366190), (100, 2129571), (108, 1971825), (122, 1745550), (135, 1577460), (150, 1419714), (162, 1314550), (180, 1183095), (183, 1163700), (225, 946476), (244, 872775), (270, 788730), (300, 709857), (305, 698220), (324, 657275), (366, 581850), (405, 525820), (431, 494100), (450, 473238), (540, 394365), (549, 387900), (610, 349110), (675, 315492), (732, 290925), (810, 262910), (862, 247050), (900, 236619), (915, 232740), (1098, 193950), (1220, 174555), (1293, 164700), (1350, 157746), (1525, 139644), (1620, 131455), (1647, 129300), (1724, 123525), (1830, 116370), (2025, 105164), (2155, 98820), (2196, 96975), (2586, 82350), (2700, 78873), (2745, 77580), (3050, 69822), (3294, 64650), (3660, 58185), (3879, 54900), (4050, 52582), (4310, 49410), (4575, 46548), (4941, 43100), (5172, 41175), (5490, 38790), (6100, 34911), (6465, 32940), (6588, 32325), (7758, 27450), (8100, 26291), (8235, 25860), (8620, 24705), (9150, 23274), (9882, 21550), (10775, 19764), (10980, 19395), (11637, 18300), (12930, 16470), (13725, 15516)]