290419020

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19919}}^1$

素因数の和:19946

約数の個数: 84

約数和(自身を含む): 914447520

約数和(自身を除く): 624028500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 14580, 19919, 39838, 59757, 79676, 99595, 119514, 179271, 199190, 239028, 298785, 358542, 398380, 537813, 597570, 717084, 896355, 1075626, 1195140, 1613439, 1792710, 2151252, 2689065, 3226878, 3585420, 4840317, 5378130, 6453756, 8067195, 9680634, 10756260, 14520951, 16134390, 19361268, 24201585, 29041902, 32268780, 48403170, 58083804, 72604755, 96806340, 145209510, 290419020]

約数ペア:

[(1, 290419020), (2, 145209510), (3, 96806340), (4, 72604755), (5, 58083804), (6, 48403170), (9, 32268780), (10, 29041902), (12, 24201585), (15, 19361268), (18, 16134390), (20, 14520951), (27, 10756260), (30, 9680634), (36, 8067195), (45, 6453756), (54, 5378130), (60, 4840317), (81, 3585420), (90, 3226878), (108, 2689065), (135, 2151252), (162, 1792710), (180, 1613439), (243, 1195140), (270, 1075626), (324, 896355), (405, 717084), (486, 597570), (540, 537813), (729, 398380), (810, 358542), (972, 298785), (1215, 239028), (1458, 199190), (1620, 179271), (2430, 119514), (2916, 99595), (3645, 79676), (4860, 59757), (7290, 39838), (14580, 19919)]