31860010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 71350272

約数和(自身を除く): 39490262

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 157, 182, 223, 314, 446, 455, 785, 910, 1099, 1115, 1561, 1570, 2041, 2198, 2230, 2899, 3122, 4082, 5495, 5798, 7805, 10205, 10990, 14287, 14495, 15610, 20293, 20410, 28574, 28990, 35011, 40586, 70022, 71435, 101465, 142870, 175055, 202930, 245077, 350110, 455143, 490154, 910286, 1225385, 2275715, 2450770, 3186001, 4551430, 6372002, 15930005, 31860010]

約数ペア:

[(1, 31860010), (2, 15930005), (5, 6372002), (7, 4551430), (10, 3186001), (13, 2450770), (14, 2275715), (26, 1225385), (35, 910286), (65, 490154), (70, 455143), (91, 350110), (130, 245077), (157, 202930), (182, 175055), (223, 142870), (314, 101465), (446, 71435), (455, 70022), (785, 40586), (910, 35011), (1099, 28990), (1115, 28574), (1561, 20410), (1570, 20293), (2041, 15610), (2198, 14495), (2230, 14287), (2899, 10990), (3122, 10205), (4082, 7805), (5495, 5798)]