205685730

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1505

約数の個数: 80

約数和(自身を含む): 556304760

約数和(自身を除く): 350619030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 197, 270, 394, 405, 591, 810, 985, 1182, 1289, 1773, 1970, 2578, 2955, 3546, 3867, 5319, 5910, 6445, 7734, 8865, 10638, 11601, 12890, 15957, 17730, 19335, 23202, 26595, 31914, 34803, 38670, 53190, 58005, 69606, 79785, 104409, 116010, 159570, 174015, 208818, 253933, 348030, 507866, 522045, 761799, 1044090, 1269665, 1523598, 2285397, 2539330, 3808995, 4570794, 6856191, 7617990, 11426985, 13712382, 20568573, 22853970, 34280955, 41137146, 68561910, 102842865, 205685730]

約数ペア:

[(1, 205685730), (2, 102842865), (3, 68561910), (5, 41137146), (6, 34280955), (9, 22853970), (10, 20568573), (15, 13712382), (18, 11426985), (27, 7617990), (30, 6856191), (45, 4570794), (54, 3808995), (81, 2539330), (90, 2285397), (135, 1523598), (162, 1269665), (197, 1044090), (270, 761799), (394, 522045), (405, 507866), (591, 348030), (810, 253933), (985, 208818), (1182, 174015), (1289, 159570), (1773, 116010), (1970, 104409), (2578, 79785), (2955, 69606), (3546, 58005), (3867, 53190), (5319, 38670), (5910, 34803), (6445, 31914), (7734, 26595), (8865, 23202), (10638, 19335), (11601, 17730), (12890, 15957)]