391626400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 1052932608

約数和(自身を除く): 661306208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 191, 200, 220, 233, 275, 352, 382, 400, 440, 466, 550, 764, 800, 880, 932, 955, 1100, 1165, 1528, 1760, 1864, 1910, 2101, 2200, 2330, 2563, 3056, 3728, 3820, 4202, 4400, 4660, 4775, 5126, 5825, 6112, 7456, 7640, 8404, 8800, 9320, 9550, 10252, 10505, 11650, 12815, 15280, 16808, 18640, 19100, 20504, 21010, 23300, 25630, 30560, 33616, 37280, 38200, 41008, 42020, 44503, 46600, 51260, 52525, 64075, 67232, 76400, 82016, 84040, 89006, 93200, 102520, 105050, 128150, 152800, 168080, 178012, 186400, 205040, 210100, 222515, 256300, 336160, 356024, 410080, 420200, 445030, 489533, 512600, 712048, 840400, 890060, 979066, 1025200, 1112575, 1424096, 1680800, 1780120, 1958132, 2050400, 2225150, 2447665, 3560240, 3916264, 4450300, 4895330, 7120480, 7832528, 8900600, 9790660, 12238325, 15665056, 17801200, 19581320, 24476650, 35602400, 39162640, 48953300, 78325280, 97906600, 195813200, 391626400]

約数ペア:

[(1, 391626400), (2, 195813200), (4, 97906600), (5, 78325280), (8, 48953300), (10, 39162640), (11, 35602400), (16, 24476650), (20, 19581320), (22, 17801200), (25, 15665056), (32, 12238325), (40, 9790660), (44, 8900600), (50, 7832528), (55, 7120480), (80, 4895330), (88, 4450300), (100, 3916264), (110, 3560240), (160, 2447665), (176, 2225150), (191, 2050400), (200, 1958132), (220, 1780120), (233, 1680800), (275, 1424096), (352, 1112575), (382, 1025200), (400, 979066), (440, 890060), (466, 840400), (550, 712048), (764, 512600), (800, 489533), (880, 445030), (932, 420200), (955, 410080), (1100, 356024), (1165, 336160), (1528, 256300), (1760, 222515), (1864, 210100), (1910, 205040), (2101, 186400), (2200, 178012), (2330, 168080), (2563, 152800), (3056, 128150), (3728, 105050), (3820, 102520), (4202, 93200), (4400, 89006), (4660, 84040), (4775, 82016), (5126, 76400), (5825, 67232), (6112, 64075), (7456, 52525), (7640, 51260), (8404, 46600), (8800, 44503), (9320, 42020), (9550, 41008), (10252, 38200), (10505, 37280), (11650, 33616), (12815, 30560), (15280, 25630), (16808, 23300), (18640, 21010), (19100, 20504)]