2017280090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{3221}}^1$

素因数の和:3647

約数の個数: 64

約数和(自身を含む): 4342740480

約数和(自身を除く): 2325460390

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 389, 778, 805, 1610, 1945, 2723, 3221, 3890, 5446, 6442, 8947, 13615, 16105, 17894, 22547, 27230, 32210, 44735, 45094, 62629, 74083, 89470, 112735, 125258, 148166, 225470, 313145, 370415, 518581, 626290, 740830, 1037162, 1252969, 2505938, 2592905, 5185810, 6264845, 8770783, 12529690, 17541566, 28818287, 43853915, 57636574, 87707830, 144091435, 201728009, 288182870, 403456018, 1008640045, 2017280090]

約数ペア:

[(1, 2017280090), (2, 1008640045), (5, 403456018), (7, 288182870), (10, 201728009), (14, 144091435), (23, 87707830), (35, 57636574), (46, 43853915), (70, 28818287), (115, 17541566), (161, 12529690), (230, 8770783), (322, 6264845), (389, 5185810), (778, 2592905), (805, 2505938), (1610, 1252969), (1945, 1037162), (2723, 740830), (3221, 626290), (3890, 518581), (5446, 370415), (6442, 313145), (8947, 225470), (13615, 148166), (16105, 125258), (17894, 112735), (22547, 89470), (27230, 74083), (32210, 62629), (44735, 45094)]