870840685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 1283143680

約数和(自身を除く): 412302995

約数列:

[1, 5, 11, 13, 31, 55, 65, 101, 143, 155, 341, 389, 403, 505, 715, 1111, 1313, 1705, 1945, 2015, 3131, 4279, 4433, 5057, 5555, 6565, 12059, 14443, 15655, 21395, 22165, 25285, 34441, 39289, 40703, 55627, 60295, 72215, 132649, 156767, 172205, 196445, 203515, 278135, 432179, 447733, 510757, 663245, 783835, 1217959, 1724437, 2160895, 2238665, 2553785, 5618327, 6089795, 8622185, 13397549, 15833467, 28091635, 66987745, 79167335, 174168137, 870840685]

約数ペア:

[(1, 870840685), (5, 174168137), (11, 79167335), (13, 66987745), (31, 28091635), (55, 15833467), (65, 13397549), (101, 8622185), (143, 6089795), (155, 5618327), (341, 2553785), (389, 2238665), (403, 2160895), (505, 1724437), (715, 1217959), (1111, 783835), (1313, 663245), (1705, 510757), (1945, 447733), (2015, 432179), (3131, 278135), (4279, 203515), (4433, 196445), (5057, 172205), (5555, 156767), (6565, 132649), (12059, 72215), (14443, 60295), (15655, 55627), (21395, 40703), (22165, 39289), (25285, 34441)]