395706780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1148

約数の個数: 144

約数和(自身を含む): 1376706240

約数和(自身を除く): 980999460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 509, 617, 630, 1018, 1234, 1260, 1527, 1851, 2036, 2468, 2545, 3054, 3085, 3563, 3702, 4319, 4581, 5090, 5553, 6108, 6170, 7126, 7404, 7635, 8638, 9162, 9255, 10180, 10689, 11106, 12340, 12957, 14252, 15270, 17276, 17815, 18324, 18510, 21378, 21595, 22212, 22905, 25914, 27765, 30540, 32067, 35630, 37020, 38871, 42756, 43190, 45810, 51828, 53445, 55530, 64134, 64785, 71260, 77742, 86380, 91620, 106890, 111060, 128268, 129570, 155484, 160335, 194355, 213780, 259140, 314053, 320670, 388710, 628106, 641340, 777420, 942159, 1256212, 1570265, 1884318, 2198371, 2826477, 3140530, 3768636, 4396742, 4710795, 5652954, 6281060, 6595113, 8793484, 9421590, 10991855, 11305908, 13190226, 14132385, 18843180, 19785339, 21983710, 26380452, 28264770, 32975565, 39570678, 43967420, 56529540, 65951130, 79141356, 98926695, 131902260, 197853390, 395706780]

約数ペア:

[(1, 395706780), (2, 197853390), (3, 131902260), (4, 98926695), (5, 79141356), (6, 65951130), (7, 56529540), (9, 43967420), (10, 39570678), (12, 32975565), (14, 28264770), (15, 26380452), (18, 21983710), (20, 19785339), (21, 18843180), (28, 14132385), (30, 13190226), (35, 11305908), (36, 10991855), (42, 9421590), (45, 8793484), (60, 6595113), (63, 6281060), (70, 5652954), (84, 4710795), (90, 4396742), (105, 3768636), (126, 3140530), (140, 2826477), (180, 2198371), (210, 1884318), (252, 1570265), (315, 1256212), (420, 942159), (509, 777420), (617, 641340), (630, 628106), (1018, 388710), (1234, 320670), (1260, 314053), (1527, 259140), (1851, 213780), (2036, 194355), (2468, 160335), (2545, 155484), (3054, 129570), (3085, 128268), (3563, 111060), (3702, 106890), (4319, 91620), (4581, 86380), (5090, 77742), (5553, 71260), (6108, 64785), (6170, 64134), (7126, 55530), (7404, 53445), (7635, 51828), (8638, 45810), (9162, 43190), (9255, 42756), (10180, 38871), (10689, 37020), (11106, 35630), (12340, 32067), (12957, 30540), (14252, 27765), (15270, 25914), (17276, 22905), (17815, 22212), (18324, 21595), (18510, 21378)]