201421480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{761}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 489661200

約数和(自身を除く): 288239720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 509, 520, 761, 1018, 1522, 2036, 2545, 3044, 3805, 4072, 5090, 6088, 6617, 7610, 9893, 10180, 13234, 15220, 19786, 20360, 26468, 30440, 33085, 39572, 49465, 52936, 66170, 79144, 98930, 132340, 197860, 264680, 387349, 395720, 774698, 1549396, 1936745, 3098792, 3873490, 5035537, 7746980, 10071074, 15493960, 20142148, 25177685, 40284296, 50355370, 100710740, 201421480]

約数ペア:

[(1, 201421480), (2, 100710740), (4, 50355370), (5, 40284296), (8, 25177685), (10, 20142148), (13, 15493960), (20, 10071074), (26, 7746980), (40, 5035537), (52, 3873490), (65, 3098792), (104, 1936745), (130, 1549396), (260, 774698), (509, 395720), (520, 387349), (761, 264680), (1018, 197860), (1522, 132340), (2036, 98930), (2545, 79144), (3044, 66170), (3805, 52936), (4072, 49465), (5090, 39572), (6088, 33085), (6617, 30440), (7610, 26468), (9893, 20360), (10180, 19786), (13234, 15220)]