245937468

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 697745664

約数和(自身を除く): 451808196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 71, 84, 86, 98, 129, 137, 142, 147, 172, 196, 213, 258, 274, 284, 294, 301, 411, 426, 497, 516, 548, 588, 602, 822, 852, 903, 959, 994, 1204, 1491, 1644, 1806, 1918, 1988, 2107, 2877, 2982, 3053, 3479, 3612, 3836, 4214, 5754, 5891, 5964, 6106, 6321, 6713, 6958, 8428, 9159, 9727, 10437, 11508, 11782, 12212, 12642, 13426, 13916, 17673, 18318, 19454, 20139, 20874, 21371, 23564, 25284, 26852, 29181, 35346, 36636, 38908, 40278, 41237, 41748, 42742, 58362, 64113, 68089, 70692, 80556, 82474, 85484, 116724, 123711, 128226, 136178, 149597, 164948, 204267, 247422, 256452, 272356, 288659, 299194, 408534, 418261, 448791, 476623, 494844, 577318, 598388, 817068, 836522, 865977, 897582, 953246, 1154636, 1254783, 1429869, 1673044, 1731954, 1795164, 1906492, 2509566, 2859738, 2927827, 3463908, 5019132, 5719476, 5855654, 8783481, 11711308, 17566962, 20494789, 35133924, 40989578, 61484367, 81979156, 122968734, 245937468]

約数ペア:

[(1, 245937468), (2, 122968734), (3, 81979156), (4, 61484367), (6, 40989578), (7, 35133924), (12, 20494789), (14, 17566962), (21, 11711308), (28, 8783481), (42, 5855654), (43, 5719476), (49, 5019132), (71, 3463908), (84, 2927827), (86, 2859738), (98, 2509566), (129, 1906492), (137, 1795164), (142, 1731954), (147, 1673044), (172, 1429869), (196, 1254783), (213, 1154636), (258, 953246), (274, 897582), (284, 865977), (294, 836522), (301, 817068), (411, 598388), (426, 577318), (497, 494844), (516, 476623), (548, 448791), (588, 418261), (602, 408534), (822, 299194), (852, 288659), (903, 272356), (959, 256452), (994, 247422), (1204, 204267), (1491, 164948), (1644, 149597), (1806, 136178), (1918, 128226), (1988, 123711), (2107, 116724), (2877, 85484), (2982, 82474), (3053, 80556), (3479, 70692), (3612, 68089), (3836, 64113), (4214, 58362), (5754, 42742), (5891, 41748), (5964, 41237), (6106, 40278), (6321, 38908), (6713, 36636), (6958, 35346), (8428, 29181), (9159, 26852), (9727, 25284), (10437, 23564), (11508, 21371), (11782, 20874), (12212, 20139), (12642, 19454), (13426, 18318), (13916, 17673)]