205319820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 597897216

約数和(自身を除く): 392577396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 167, 186, 310, 334, 372, 465, 501, 620, 661, 668, 835, 930, 1002, 1322, 1670, 1860, 1983, 2004, 2505, 2644, 3305, 3340, 3966, 5010, 5177, 6610, 7932, 9915, 10020, 10354, 13220, 15531, 19830, 20491, 20708, 25885, 31062, 39660, 40982, 51770, 61473, 62124, 77655, 81964, 102455, 103540, 110387, 122946, 155310, 204910, 220774, 245892, 307365, 310620, 331161, 409820, 441548, 551935, 614730, 662322, 1103870, 1229460, 1324644, 1655805, 2207740, 3311610, 3421997, 6623220, 6843994, 10265991, 13687988, 17109985, 20531982, 34219970, 41063964, 51329955, 68439940, 102659910, 205319820]

約数ペア:

[(1, 205319820), (2, 102659910), (3, 68439940), (4, 51329955), (5, 41063964), (6, 34219970), (10, 20531982), (12, 17109985), (15, 13687988), (20, 10265991), (30, 6843994), (31, 6623220), (60, 3421997), (62, 3311610), (93, 2207740), (124, 1655805), (155, 1324644), (167, 1229460), (186, 1103870), (310, 662322), (334, 614730), (372, 551935), (465, 441548), (501, 409820), (620, 331161), (661, 310620), (668, 307365), (835, 245892), (930, 220774), (1002, 204910), (1322, 155310), (1670, 122946), (1860, 110387), (1983, 103540), (2004, 102455), (2505, 81964), (2644, 77655), (3305, 62124), (3340, 61473), (3966, 51770), (5010, 40982), (5177, 39660), (6610, 31062), (7932, 25885), (9915, 20708), (10020, 20491), (10354, 19830), (13220, 15531)]