219992500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:1011

約数の個数: 120

約数和(自身を含む): 592710272

約数和(自身を除く): 372717772

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 140, 175, 182, 250, 260, 325, 350, 364, 455, 500, 625, 650, 700, 875, 910, 967, 1250, 1300, 1625, 1750, 1820, 1934, 2275, 2500, 3250, 3500, 3868, 4375, 4550, 4835, 6500, 6769, 8125, 8750, 9100, 9670, 11375, 12571, 13538, 16250, 17500, 19340, 22750, 24175, 25142, 27076, 32500, 33845, 45500, 48350, 50284, 56875, 62855, 67690, 87997, 96700, 113750, 120875, 125710, 135380, 169225, 175994, 227500, 241750, 251420, 314275, 338450, 351988, 439985, 483500, 604375, 628550, 676900, 846125, 879970, 1208750, 1257100, 1571375, 1692250, 1759940, 2199925, 2417500, 3142750, 3384500, 4230625, 4399850, 6285500, 7856875, 8461250, 8799700, 10999625, 15713750, 16922500, 21999250, 31427500, 43998500, 54998125, 109996250, 219992500]

約数ペア:

[(1, 219992500), (2, 109996250), (4, 54998125), (5, 43998500), (7, 31427500), (10, 21999250), (13, 16922500), (14, 15713750), (20, 10999625), (25, 8799700), (26, 8461250), (28, 7856875), (35, 6285500), (50, 4399850), (52, 4230625), (65, 3384500), (70, 3142750), (91, 2417500), (100, 2199925), (125, 1759940), (130, 1692250), (140, 1571375), (175, 1257100), (182, 1208750), (250, 879970), (260, 846125), (325, 676900), (350, 628550), (364, 604375), (455, 483500), (500, 439985), (625, 351988), (650, 338450), (700, 314275), (875, 251420), (910, 241750), (967, 227500), (1250, 175994), (1300, 169225), (1625, 135380), (1750, 125710), (1820, 120875), (1934, 113750), (2275, 96700), (2500, 87997), (3250, 67690), (3500, 62855), (3868, 56875), (4375, 50284), (4550, 48350), (4835, 45500), (6500, 33845), (6769, 32500), (8125, 27076), (8750, 25142), (9100, 24175), (9670, 22750), (11375, 19340), (12571, 17500), (13538, 16250)]