2815996840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{62801}}^1$

素因数の和:62890

約数の個数: 64

約数和(自身を含む): 6782616000

約数和(自身を除く): 3966619160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 2242, 2360, 4484, 5605, 8968, 11210, 22420, 44840, 62801, 125602, 251204, 314005, 502408, 628010, 1193219, 1256020, 2386438, 2512040, 3705259, 4772876, 5966095, 7410518, 9545752, 11932190, 14821036, 18526295, 23864380, 29642072, 37052590, 47728760, 70399921, 74105180, 140799842, 148210360, 281599684, 351999605, 563199368, 703999210, 1407998420, 2815996840]

約数ペア:

[(1, 2815996840), (2, 1407998420), (4, 703999210), (5, 563199368), (8, 351999605), (10, 281599684), (19, 148210360), (20, 140799842), (38, 74105180), (40, 70399921), (59, 47728760), (76, 37052590), (95, 29642072), (118, 23864380), (152, 18526295), (190, 14821036), (236, 11932190), (295, 9545752), (380, 7410518), (472, 5966095), (590, 4772876), (760, 3705259), (1121, 2512040), (1180, 2386438), (2242, 1256020), (2360, 1193219), (4484, 628010), (5605, 502408), (8968, 314005), (11210, 251204), (22420, 125602), (44840, 62801)]