30580000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 82661040

約数和(自身を除く): 52081040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 139, 160, 176, 200, 220, 250, 275, 278, 352, 400, 440, 500, 550, 556, 625, 695, 800, 880, 1000, 1100, 1112, 1250, 1375, 1390, 1529, 1760, 2000, 2200, 2224, 2500, 2750, 2780, 3058, 3475, 4000, 4400, 4448, 5000, 5500, 5560, 6116, 6875, 6950, 7645, 8800, 10000, 11000, 11120, 12232, 13750, 13900, 15290, 17375, 20000, 22000, 22240, 24464, 27500, 27800, 30580, 34750, 38225, 44000, 48928, 55000, 55600, 61160, 69500, 76450, 86875, 110000, 111200, 122320, 139000, 152900, 173750, 191125, 220000, 244640, 278000, 305800, 347500, 382250, 556000, 611600, 695000, 764500, 955625, 1223200, 1390000, 1529000, 1911250, 2780000, 3058000, 3822500, 6116000, 7645000, 15290000, 30580000]

約数ペア:

[(1, 30580000), (2, 15290000), (4, 7645000), (5, 6116000), (8, 3822500), (10, 3058000), (11, 2780000), (16, 1911250), (20, 1529000), (22, 1390000), (25, 1223200), (32, 955625), (40, 764500), (44, 695000), (50, 611600), (55, 556000), (80, 382250), (88, 347500), (100, 305800), (110, 278000), (125, 244640), (139, 220000), (160, 191125), (176, 173750), (200, 152900), (220, 139000), (250, 122320), (275, 111200), (278, 110000), (352, 86875), (400, 76450), (440, 69500), (500, 61160), (550, 55600), (556, 55000), (625, 48928), (695, 44000), (800, 38225), (880, 34750), (1000, 30580), (1100, 27800), (1112, 27500), (1250, 24464), (1375, 22240), (1390, 22000), (1529, 20000), (1760, 17375), (2000, 15290), (2200, 13900), (2224, 13750), (2500, 12232), (2750, 11120), (2780, 11000), (3058, 10000), (3475, 8800), (4000, 7645), (4400, 6950), (4448, 6875), (5000, 6116), (5500, 5560)]