13809320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 35856000

約数和(自身を除く): 22046680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 331, 596, 662, 745, 1043, 1192, 1324, 1490, 1655, 2086, 2317, 2648, 2980, 3310, 4172, 4634, 5215, 5960, 6620, 8344, 9268, 10430, 11585, 13240, 18536, 20860, 23170, 41720, 46340, 49319, 92680, 98638, 197276, 246595, 345233, 394552, 493190, 690466, 986380, 1380932, 1726165, 1972760, 2761864, 3452330, 6904660, 13809320]

約数ペア:

[(1, 13809320), (2, 6904660), (4, 3452330), (5, 2761864), (7, 1972760), (8, 1726165), (10, 1380932), (14, 986380), (20, 690466), (28, 493190), (35, 394552), (40, 345233), (56, 246595), (70, 197276), (140, 98638), (149, 92680), (280, 49319), (298, 46340), (331, 41720), (596, 23170), (662, 20860), (745, 18536), (1043, 13240), (1192, 11585), (1324, 10430), (1490, 9268), (1655, 8344), (2086, 6620), (2317, 5960), (2648, 5215), (2980, 4634), (3310, 4172)]