220220838

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:538

約数の個数: 72

約数和(自身を含む): 511196400

約数和(自身を除く): 290975562

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 439, 522, 558, 878, 899, 961, 1317, 1798, 1922, 2634, 2697, 2883, 3951, 5394, 5766, 7902, 8091, 8649, 12731, 13609, 16182, 17298, 25462, 27218, 27869, 38193, 40827, 55738, 76386, 81654, 83607, 114579, 122481, 167214, 229158, 244962, 250821, 394661, 421879, 501642, 789322, 843758, 1183983, 1265637, 2367966, 2531274, 3551949, 3796911, 7103898, 7593822, 12234491, 24468982, 36703473, 73406946, 110110419, 220220838]

約数ペア:

[(1, 220220838), (2, 110110419), (3, 73406946), (6, 36703473), (9, 24468982), (18, 12234491), (29, 7593822), (31, 7103898), (58, 3796911), (62, 3551949), (87, 2531274), (93, 2367966), (174, 1265637), (186, 1183983), (261, 843758), (279, 789322), (439, 501642), (522, 421879), (558, 394661), (878, 250821), (899, 244962), (961, 229158), (1317, 167214), (1798, 122481), (1922, 114579), (2634, 83607), (2697, 81654), (2883, 76386), (3951, 55738), (5394, 40827), (5766, 38193), (7902, 27869), (8091, 27218), (8649, 25462), (12731, 17298), (13609, 16182)]