98890000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 200

約数和(自身を含む): 278910720

約数和(自身を除く): 180020720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 31, 40, 44, 50, 55, 58, 62, 80, 88, 100, 110, 116, 124, 125, 145, 155, 176, 200, 220, 232, 248, 250, 275, 290, 310, 319, 341, 400, 440, 464, 496, 500, 550, 580, 620, 625, 638, 682, 725, 775, 880, 899, 1000, 1100, 1160, 1240, 1250, 1276, 1364, 1375, 1450, 1550, 1595, 1705, 1798, 2000, 2200, 2320, 2480, 2500, 2552, 2728, 2750, 2900, 3100, 3190, 3410, 3596, 3625, 3875, 4400, 4495, 5000, 5104, 5456, 5500, 5800, 6200, 6380, 6820, 6875, 7192, 7250, 7750, 7975, 8525, 8990, 9889, 10000, 11000, 11600, 12400, 12760, 13640, 13750, 14384, 14500, 15500, 15950, 17050, 17980, 18125, 19375, 19778, 22000, 22475, 25520, 27280, 27500, 29000, 31000, 31900, 34100, 35960, 36250, 38750, 39556, 39875, 42625, 44950, 49445, 55000, 58000, 62000, 63800, 68200, 71920, 72500, 77500, 79112, 79750, 85250, 89900, 98890, 110000, 112375, 127600, 136400, 145000, 155000, 158224, 159500, 170500, 179800, 197780, 199375, 213125, 224750, 247225, 290000, 310000, 319000, 341000, 359600, 395560, 398750, 426250, 449500, 494450, 561875, 638000, 682000, 791120, 797500, 852500, 899000, 988900, 1123750, 1236125, 1595000, 1705000, 1798000, 1977800, 2247500, 2472250, 3190000, 3410000, 3955600, 4495000, 4944500, 6180625, 8990000, 9889000, 12361250, 19778000, 24722500, 49445000, 98890000]

約数ペア:

[(1, 98890000), (2, 49445000), (4, 24722500), (5, 19778000), (8, 12361250), (10, 9889000), (11, 8990000), (16, 6180625), (20, 4944500), (22, 4495000), (25, 3955600), (29, 3410000), (31, 3190000), (40, 2472250), (44, 2247500), (50, 1977800), (55, 1798000), (58, 1705000), (62, 1595000), (80, 1236125), (88, 1123750), (100, 988900), (110, 899000), (116, 852500), (124, 797500), (125, 791120), (145, 682000), (155, 638000), (176, 561875), (200, 494450), (220, 449500), (232, 426250), (248, 398750), (250, 395560), (275, 359600), (290, 341000), (310, 319000), (319, 310000), (341, 290000), (400, 247225), (440, 224750), (464, 213125), (496, 199375), (500, 197780), (550, 179800), (580, 170500), (620, 159500), (625, 158224), (638, 155000), (682, 145000), (725, 136400), (775, 127600), (880, 112375), (899, 110000), (1000, 98890), (1100, 89900), (1160, 85250), (1240, 79750), (1250, 79112), (1276, 77500), (1364, 72500), (1375, 71920), (1450, 68200), (1550, 63800), (1595, 62000), (1705, 58000), (1798, 55000), (2000, 49445), (2200, 44950), (2320, 42625), (2480, 39875), (2500, 39556), (2552, 38750), (2728, 36250), (2750, 35960), (2900, 34100), (3100, 31900), (3190, 31000), (3410, 29000), (3596, 27500), (3625, 27280), (3875, 25520), (4400, 22475), (4495, 22000), (5000, 19778), (5104, 19375), (5456, 18125), (5500, 17980), (5800, 17050), (6200, 15950), (6380, 15500), (6820, 14500), (6875, 14384), (7192, 13750), (7250, 13640), (7750, 12760), (7975, 12400), (8525, 11600), (8990, 11000), (9889, 10000)]