2628348520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:875

約数の個数: 128

約数和(自身を含む): 6907680000

約数和(自身を除く): 4279331480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 389, 409, 413, 472, 590, 778, 818, 826, 1180, 1556, 1636, 1652, 1945, 2045, 2065, 2360, 2723, 2863, 3112, 3272, 3304, 3890, 4090, 4130, 5446, 5726, 7780, 8180, 8260, 10892, 11452, 13615, 14315, 15560, 16360, 16520, 21784, 22904, 22951, 24131, 27230, 28630, 45902, 48262, 54460, 57260, 91804, 96524, 108920, 114520, 114755, 120655, 159101, 160657, 168917, 183608, 193048, 229510, 241310, 318202, 321314, 337834, 459020, 482620, 636404, 642628, 675668, 795505, 803285, 844585, 918040, 965240, 1113707, 1272808, 1285256, 1351336, 1591010, 1606570, 1689170, 2227414, 3182020, 3213140, 3378340, 4454828, 5568535, 6364040, 6426280, 6756680, 8909656, 9386959, 11137070, 18773918, 22274140, 37547836, 44548280, 46934795, 65708713, 75095672, 93869590, 131417426, 187739180, 262834852, 328543565, 375478360, 525669704, 657087130, 1314174260, 2628348520]

約数ペア:

[(1, 2628348520), (2, 1314174260), (4, 657087130), (5, 525669704), (7, 375478360), (8, 328543565), (10, 262834852), (14, 187739180), (20, 131417426), (28, 93869590), (35, 75095672), (40, 65708713), (56, 46934795), (59, 44548280), (70, 37547836), (118, 22274140), (140, 18773918), (236, 11137070), (280, 9386959), (295, 8909656), (389, 6756680), (409, 6426280), (413, 6364040), (472, 5568535), (590, 4454828), (778, 3378340), (818, 3213140), (826, 3182020), (1180, 2227414), (1556, 1689170), (1636, 1606570), (1652, 1591010), (1945, 1351336), (2045, 1285256), (2065, 1272808), (2360, 1113707), (2723, 965240), (2863, 918040), (3112, 844585), (3272, 803285), (3304, 795505), (3890, 675668), (4090, 642628), (4130, 636404), (5446, 482620), (5726, 459020), (7780, 337834), (8180, 321314), (8260, 318202), (10892, 241310), (11452, 229510), (13615, 193048), (14315, 183608), (15560, 168917), (16360, 160657), (16520, 159101), (21784, 120655), (22904, 114755), (22951, 114520), (24131, 108920), (27230, 96524), (28630, 91804), (45902, 57260), (48262, 54460)]