7689888920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{41549}}^1$

素因数の和:42228

約数の個数: 64

約数和(自身を含む): 19804392000

約数和(自身を除く): 12114503080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 1322, 2644, 3305, 4627, 5288, 6610, 9254, 13220, 18508, 23135, 26440, 37016, 41549, 46270, 83098, 92540, 166196, 185080, 207745, 290843, 332392, 415490, 581686, 830980, 1163372, 1454215, 1661960, 2326744, 2908430, 5816860, 11633720, 27463889, 54927778, 109855556, 137319445, 192247223, 219711112, 274638890, 384494446, 549277780, 768988892, 961236115, 1098555560, 1537977784, 1922472230, 3844944460, 7689888920]

約数ペア:

[(1, 7689888920), (2, 3844944460), (4, 1922472230), (5, 1537977784), (7, 1098555560), (8, 961236115), (10, 768988892), (14, 549277780), (20, 384494446), (28, 274638890), (35, 219711112), (40, 192247223), (56, 137319445), (70, 109855556), (140, 54927778), (280, 27463889), (661, 11633720), (1322, 5816860), (2644, 2908430), (3305, 2326744), (4627, 1661960), (5288, 1454215), (6610, 1163372), (9254, 830980), (13220, 581686), (18508, 415490), (23135, 332392), (26440, 290843), (37016, 207745), (41549, 185080), (46270, 166196), (83098, 92540)]