622758920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{16001}}^1$

素因数の和:16158

約数の個数: 64

約数和(自身を含む): 1613001600

約数和(自身を除く): 990242680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 9730, 16001, 19460, 32002, 38920, 64004, 80005, 112007, 128008, 160010, 224014, 320020, 448028, 560035, 640040, 896056, 1120070, 2224139, 2240140, 4448278, 4480280, 8896556, 11120695, 15568973, 17793112, 22241390, 31137946, 44482780, 62275892, 77844865, 88965560, 124551784, 155689730, 311379460, 622758920]

約数ペア:

[(1, 622758920), (2, 311379460), (4, 155689730), (5, 124551784), (7, 88965560), (8, 77844865), (10, 62275892), (14, 44482780), (20, 31137946), (28, 22241390), (35, 17793112), (40, 15568973), (56, 11120695), (70, 8896556), (139, 4480280), (140, 4448278), (278, 2240140), (280, 2224139), (556, 1120070), (695, 896056), (973, 640040), (1112, 560035), (1390, 448028), (1946, 320020), (2780, 224014), (3892, 160010), (4865, 128008), (5560, 112007), (7784, 80005), (9730, 64004), (16001, 38920), (19460, 32002)]