28275990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 43954410

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 113, 114, 190, 226, 285, 339, 439, 565, 570, 678, 878, 1130, 1317, 1695, 2147, 2195, 2634, 3390, 4294, 4390, 6441, 6585, 8341, 10735, 12882, 13170, 16682, 21470, 25023, 32205, 41705, 49607, 50046, 64410, 83410, 99214, 125115, 148821, 248035, 250230, 297642, 496070, 744105, 942533, 1488210, 1885066, 2827599, 4712665, 5655198, 9425330, 14137995, 28275990]

約数ペア:

[(1, 28275990), (2, 14137995), (3, 9425330), (5, 5655198), (6, 4712665), (10, 2827599), (15, 1885066), (19, 1488210), (30, 942533), (38, 744105), (57, 496070), (95, 297642), (113, 250230), (114, 248035), (190, 148821), (226, 125115), (285, 99214), (339, 83410), (439, 64410), (565, 50046), (570, 49607), (678, 41705), (878, 32205), (1130, 25023), (1317, 21470), (1695, 16682), (2147, 13170), (2195, 12882), (2634, 10735), (3390, 8341), (4294, 6585), (4390, 6441)]