214849980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 684028800

約数和(自身を除く): 469178820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 158, 174, 180, 237, 261, 290, 316, 348, 395, 435, 474, 521, 522, 580, 711, 790, 870, 948, 1042, 1044, 1185, 1305, 1422, 1563, 1580, 1740, 2084, 2291, 2370, 2605, 2610, 2844, 3126, 3555, 4582, 4689, 4740, 5210, 5220, 6252, 6873, 7110, 7815, 9164, 9378, 10420, 11455, 13746, 14220, 15109, 15630, 18756, 20619, 22910, 23445, 27492, 30218, 31260, 34365, 41159, 41238, 45327, 45820, 46890, 60436, 68730, 75545, 82318, 82476, 90654, 93780, 103095, 123477, 135981, 137460, 151090, 164636, 181308, 205795, 206190, 226635, 246954, 271962, 302180, 370431, 411590, 412380, 453270, 493908, 543924, 617385, 679905, 740862, 823180, 906540, 1193611, 1234770, 1359810, 1481724, 1852155, 2387222, 2469540, 2719620, 3580833, 3704310, 4774444, 5968055, 7161666, 7408620, 10742499, 11936110, 14323332, 17904165, 21484998, 23872220, 35808330, 42969996, 53712495, 71616660, 107424990, 214849980]

約数ペア:

[(1, 214849980), (2, 107424990), (3, 71616660), (4, 53712495), (5, 42969996), (6, 35808330), (9, 23872220), (10, 21484998), (12, 17904165), (15, 14323332), (18, 11936110), (20, 10742499), (29, 7408620), (30, 7161666), (36, 5968055), (45, 4774444), (58, 3704310), (60, 3580833), (79, 2719620), (87, 2469540), (90, 2387222), (116, 1852155), (145, 1481724), (158, 1359810), (174, 1234770), (180, 1193611), (237, 906540), (261, 823180), (290, 740862), (316, 679905), (348, 617385), (395, 543924), (435, 493908), (474, 453270), (521, 412380), (522, 411590), (580, 370431), (711, 302180), (790, 271962), (870, 246954), (948, 226635), (1042, 206190), (1044, 205795), (1185, 181308), (1305, 164636), (1422, 151090), (1563, 137460), (1580, 135981), (1740, 123477), (2084, 103095), (2291, 93780), (2370, 90654), (2605, 82476), (2610, 82318), (2844, 75545), (3126, 68730), (3555, 60436), (4582, 46890), (4689, 45820), (4740, 45327), (5210, 41238), (5220, 41159), (6252, 34365), (6873, 31260), (7110, 30218), (7815, 27492), (9164, 23445), (9378, 22910), (10420, 20619), (11455, 18756), (13746, 15630), (14220, 15109)]