261980628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 794787840

約数和(自身を除く): 532807212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 71, 78, 84, 91, 93, 109, 124, 142, 156, 182, 186, 213, 217, 218, 273, 284, 327, 364, 372, 403, 426, 434, 436, 497, 546, 651, 654, 763, 806, 852, 868, 923, 994, 1092, 1209, 1302, 1308, 1417, 1491, 1526, 1612, 1846, 1988, 2201, 2289, 2418, 2604, 2769, 2821, 2834, 2982, 3052, 3379, 3692, 4251, 4402, 4578, 4836, 5538, 5642, 5668, 5964, 6461, 6603, 6758, 7739, 8463, 8502, 8804, 9156, 9919, 10137, 11076, 11284, 12922, 13206, 13516, 15407, 15478, 16926, 17004, 19383, 19838, 20274, 23217, 23653, 25844, 26412, 28613, 29757, 30814, 30956, 33852, 38766, 39676, 40548, 43927, 46221, 46434, 47306, 54173, 57226, 59514, 61628, 70959, 77532, 85839, 87854, 92442, 92868, 94612, 100607, 108346, 114452, 119028, 131781, 141918, 162519, 171678, 175708, 184884, 200291, 201214, 216692, 239909, 263562, 283836, 301821, 307489, 325038, 343356, 400582, 402428, 479818, 527124, 600873, 603642, 614978, 650076, 704249, 719727, 801164, 922467, 959636, 1201746, 1207284, 1229956, 1408498, 1439454, 1679363, 1844934, 2112747, 2403492, 2816996, 2878908, 3118817, 3358726, 3689868, 4225494, 5038089, 6237634, 6717452, 8450988, 9356451, 10076178, 12475268, 18712902, 20152356, 21831719, 37425804, 43663438, 65495157, 87326876, 130990314, 261980628]

約数ペア:

[(1, 261980628), (2, 130990314), (3, 87326876), (4, 65495157), (6, 43663438), (7, 37425804), (12, 21831719), (13, 20152356), (14, 18712902), (21, 12475268), (26, 10076178), (28, 9356451), (31, 8450988), (39, 6717452), (42, 6237634), (52, 5038089), (62, 4225494), (71, 3689868), (78, 3358726), (84, 3118817), (91, 2878908), (93, 2816996), (109, 2403492), (124, 2112747), (142, 1844934), (156, 1679363), (182, 1439454), (186, 1408498), (213, 1229956), (217, 1207284), (218, 1201746), (273, 959636), (284, 922467), (327, 801164), (364, 719727), (372, 704249), (403, 650076), (426, 614978), (434, 603642), (436, 600873), (497, 527124), (546, 479818), (651, 402428), (654, 400582), (763, 343356), (806, 325038), (852, 307489), (868, 301821), (923, 283836), (994, 263562), (1092, 239909), (1209, 216692), (1302, 201214), (1308, 200291), (1417, 184884), (1491, 175708), (1526, 171678), (1612, 162519), (1846, 141918), (1988, 131781), (2201, 119028), (2289, 114452), (2418, 108346), (2604, 100607), (2769, 94612), (2821, 92868), (2834, 92442), (2982, 87854), (3052, 85839), (3379, 77532), (3692, 70959), (4251, 61628), (4402, 59514), (4578, 57226), (4836, 54173), (5538, 47306), (5642, 46434), (5668, 46221), (5964, 43927), (6461, 40548), (6603, 39676), (6758, 38766), (7739, 33852), (8463, 30956), (8502, 30814), (8804, 29757), (9156, 28613), (9919, 26412), (10137, 25844), (11076, 23653), (11284, 23217), (12922, 20274), (13206, 19838), (13516, 19383), (15407, 17004), (15478, 16926)]