346528520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2593}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 843257520

約数和(自身を除く): 496729000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 1028, 1285, 2056, 2570, 2593, 3341, 5140, 5186, 6682, 10280, 10372, 12965, 13364, 16705, 20744, 25930, 26728, 33410, 33709, 51860, 66820, 67418, 103720, 133640, 134836, 168545, 269672, 337090, 666401, 674180, 1332802, 1348360, 2665604, 3332005, 5331208, 6664010, 8663213, 13328020, 17326426, 26656040, 34652852, 43316065, 69305704, 86632130, 173264260, 346528520]

約数ペア:

[(1, 346528520), (2, 173264260), (4, 86632130), (5, 69305704), (8, 43316065), (10, 34652852), (13, 26656040), (20, 17326426), (26, 13328020), (40, 8663213), (52, 6664010), (65, 5331208), (104, 3332005), (130, 2665604), (257, 1348360), (260, 1332802), (514, 674180), (520, 666401), (1028, 337090), (1285, 269672), (2056, 168545), (2570, 134836), (2593, 133640), (3341, 103720), (5140, 67418), (5186, 66820), (6682, 51860), (10280, 33709), (10372, 33410), (12965, 26728), (13364, 25930), (16705, 20744)]