1420100000

素因数分解:

$2^5\times 5^5\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1337

約数の個数: 144

約数和(自身を含む): 3815193312

約数和(自身を除く): 2395093312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 400, 440, 500, 550, 625, 800, 880, 1000, 1100, 1250, 1291, 1375, 1760, 2000, 2200, 2500, 2582, 2750, 3125, 4000, 4400, 5000, 5164, 5500, 6250, 6455, 6875, 8800, 10000, 10328, 11000, 12500, 12910, 13750, 14201, 20000, 20656, 22000, 25000, 25820, 27500, 28402, 32275, 34375, 41312, 44000, 50000, 51640, 55000, 56804, 64550, 68750, 71005, 100000, 103280, 110000, 113608, 129100, 137500, 142010, 161375, 206560, 220000, 227216, 258200, 275000, 284020, 322750, 355025, 454432, 516400, 550000, 568040, 645500, 710050, 806875, 1032800, 1100000, 1136080, 1291000, 1420100, 1613750, 1775125, 2272160, 2582000, 2840200, 3227500, 3550250, 4034375, 5164000, 5680400, 6455000, 7100500, 8068750, 8875625, 11360800, 12910000, 14201000, 16137500, 17751250, 25820000, 28402000, 32275000, 35502500, 44378125, 56804000, 64550000, 71005000, 88756250, 129100000, 142010000, 177512500, 284020000, 355025000, 710050000, 1420100000]

約数ペア:

[(1, 1420100000), (2, 710050000), (4, 355025000), (5, 284020000), (8, 177512500), (10, 142010000), (11, 129100000), (16, 88756250), (20, 71005000), (22, 64550000), (25, 56804000), (32, 44378125), (40, 35502500), (44, 32275000), (50, 28402000), (55, 25820000), (80, 17751250), (88, 16137500), (100, 14201000), (110, 12910000), (125, 11360800), (160, 8875625), (176, 8068750), (200, 7100500), (220, 6455000), (250, 5680400), (275, 5164000), (352, 4034375), (400, 3550250), (440, 3227500), (500, 2840200), (550, 2582000), (625, 2272160), (800, 1775125), (880, 1613750), (1000, 1420100), (1100, 1291000), (1250, 1136080), (1291, 1100000), (1375, 1032800), (1760, 806875), (2000, 710050), (2200, 645500), (2500, 568040), (2582, 550000), (2750, 516400), (3125, 454432), (4000, 355025), (4400, 322750), (5000, 284020), (5164, 275000), (5500, 258200), (6250, 227216), (6455, 220000), (6875, 206560), (8800, 161375), (10000, 142010), (10328, 137500), (11000, 129100), (12500, 113608), (12910, 110000), (13750, 103280), (14201, 100000), (20000, 71005), (20656, 68750), (22000, 64550), (25000, 56804), (25820, 55000), (27500, 51640), (28402, 50000), (32275, 44000), (34375, 41312)]