2190512500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 5315284800

約数和(自身を除く): 3124772300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 125, 178, 179, 220, 250, 275, 356, 358, 445, 500, 550, 625, 716, 890, 895, 979, 1100, 1250, 1375, 1780, 1790, 1958, 1969, 2225, 2500, 2750, 3125, 3580, 3916, 3938, 4450, 4475, 4895, 5500, 6250, 6875, 7876, 8900, 8950, 9790, 9845, 11125, 12500, 13750, 15931, 17900, 19580, 19690, 22250, 22375, 24475, 27500, 31862, 34375, 39380, 44500, 44750, 48950, 49225, 55625, 63724, 68750, 79655, 89500, 97900, 98450, 111250, 111875, 122375, 137500, 159310, 175241, 196900, 222500, 223750, 244750, 246125, 278125, 318620, 350482, 398275, 447500, 489500, 492250, 556250, 559375, 611875, 700964, 796550, 876205, 984500, 1112500, 1118750, 1223750, 1230625, 1593100, 1752410, 1991375, 2237500, 2447500, 2461250, 3059375, 3504820, 3982750, 4381025, 4922500, 6118750, 6153125, 7965500, 8762050, 9956875, 12237500, 12306250, 17524100, 19913750, 21905125, 24612500, 39827500, 43810250, 49784375, 87620500, 99568750, 109525625, 199137500, 219051250, 438102500, 547628125, 1095256250, 2190512500]

約数ペア:

[(1, 2190512500), (2, 1095256250), (4, 547628125), (5, 438102500), (10, 219051250), (11, 199137500), (20, 109525625), (22, 99568750), (25, 87620500), (44, 49784375), (50, 43810250), (55, 39827500), (89, 24612500), (100, 21905125), (110, 19913750), (125, 17524100), (178, 12306250), (179, 12237500), (220, 9956875), (250, 8762050), (275, 7965500), (356, 6153125), (358, 6118750), (445, 4922500), (500, 4381025), (550, 3982750), (625, 3504820), (716, 3059375), (890, 2461250), (895, 2447500), (979, 2237500), (1100, 1991375), (1250, 1752410), (1375, 1593100), (1780, 1230625), (1790, 1223750), (1958, 1118750), (1969, 1112500), (2225, 984500), (2500, 876205), (2750, 796550), (3125, 700964), (3580, 611875), (3916, 559375), (3938, 556250), (4450, 492250), (4475, 489500), (4895, 447500), (5500, 398275), (6250, 350482), (6875, 318620), (7876, 278125), (8900, 246125), (8950, 244750), (9790, 223750), (9845, 222500), (11125, 196900), (12500, 175241), (13750, 159310), (15931, 137500), (17900, 122375), (19580, 111875), (19690, 111250), (22250, 98450), (22375, 97900), (24475, 89500), (27500, 79655), (31862, 68750), (34375, 63724), (39380, 55625), (44500, 49225), (44750, 48950)]