2045204140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{26417}}^1$

素因数の和:26519

約数の個数: 72

約数和(自身を含む): 5059575360

約数和(自身を除く): 3014371220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3871, 5530, 7742, 11060, 15484, 19355, 26417, 38710, 52834, 77420, 105668, 132085, 184919, 264170, 369838, 528340, 739676, 924595, 1294433, 1849190, 2086943, 2588866, 3698380, 4173886, 5177732, 6472165, 8347772, 10434715, 12944330, 14608601, 20869430, 25888660, 29217202, 41738860, 58434404, 73043005, 102260207, 146086010, 204520414, 292172020, 409040828, 511301035, 1022602070, 2045204140]

約数ペア:

[(1, 2045204140), (2, 1022602070), (4, 511301035), (5, 409040828), (7, 292172020), (10, 204520414), (14, 146086010), (20, 102260207), (28, 73043005), (35, 58434404), (49, 41738860), (70, 29217202), (79, 25888660), (98, 20869430), (140, 14608601), (158, 12944330), (196, 10434715), (245, 8347772), (316, 6472165), (395, 5177732), (490, 4173886), (553, 3698380), (790, 2588866), (980, 2086943), (1106, 1849190), (1580, 1294433), (2212, 924595), (2765, 739676), (3871, 528340), (5530, 369838), (7742, 264170), (11060, 184919), (15484, 132085), (19355, 105668), (26417, 77420), (38710, 52834)]