201218260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 458970624

約数和(自身を除く): 257752364

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 71, 92, 101, 115, 122, 142, 202, 230, 244, 284, 305, 355, 404, 460, 505, 610, 710, 1010, 1220, 1403, 1420, 1633, 2020, 2323, 2806, 3266, 4331, 4646, 5612, 6161, 6532, 7015, 7171, 8165, 8662, 9292, 11615, 12322, 14030, 14342, 16330, 17324, 21655, 23230, 24644, 28060, 28684, 30805, 32660, 35855, 43310, 46460, 61610, 71710, 86620, 99613, 123220, 141703, 143420, 164933, 199226, 283406, 329866, 398452, 437431, 498065, 566812, 659732, 708515, 824665, 874862, 996130, 1417030, 1649330, 1749724, 1992260, 2187155, 2834060, 3298660, 4374310, 8748620, 10060913, 20121826, 40243652, 50304565, 100609130, 201218260]

約数ペア:

[(1, 201218260), (2, 100609130), (4, 50304565), (5, 40243652), (10, 20121826), (20, 10060913), (23, 8748620), (46, 4374310), (61, 3298660), (71, 2834060), (92, 2187155), (101, 1992260), (115, 1749724), (122, 1649330), (142, 1417030), (202, 996130), (230, 874862), (244, 824665), (284, 708515), (305, 659732), (355, 566812), (404, 498065), (460, 437431), (505, 398452), (610, 329866), (710, 283406), (1010, 199226), (1220, 164933), (1403, 143420), (1420, 141703), (1633, 123220), (2020, 99613), (2323, 86620), (2806, 71710), (3266, 61610), (4331, 46460), (4646, 43310), (5612, 35855), (6161, 32660), (6532, 30805), (7015, 28684), (7171, 28060), (8165, 24644), (8662, 23230), (9292, 21655), (11615, 17324), (12322, 16330), (14030, 14342)]