257066250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1438

約数の個数: 120

約数和(自身を含む): 747885600

約数和(自身を除く): 490819350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 125, 147, 150, 175, 210, 245, 250, 294, 350, 375, 490, 525, 625, 735, 750, 875, 1050, 1225, 1250, 1399, 1470, 1750, 1875, 2450, 2625, 2798, 3675, 3750, 4197, 4375, 5250, 6125, 6995, 7350, 8394, 8750, 9793, 12250, 13125, 13990, 18375, 19586, 20985, 26250, 29379, 30625, 34975, 36750, 41970, 48965, 58758, 61250, 68551, 69950, 91875, 97930, 104925, 137102, 146895, 174875, 183750, 205653, 209850, 244825, 293790, 342755, 349750, 411306, 489650, 524625, 685510, 734475, 874375, 1028265, 1049250, 1224125, 1468950, 1713775, 1748750, 2056530, 2448250, 2623125, 3427550, 3672375, 5141325, 5246250, 6120625, 7344750, 8568875, 10282650, 12241250, 17137750, 18361875, 25706625, 36723750, 42844375, 51413250, 85688750, 128533125, 257066250]

約数ペア:

[(1, 257066250), (2, 128533125), (3, 85688750), (5, 51413250), (6, 42844375), (7, 36723750), (10, 25706625), (14, 18361875), (15, 17137750), (21, 12241250), (25, 10282650), (30, 8568875), (35, 7344750), (42, 6120625), (49, 5246250), (50, 5141325), (70, 3672375), (75, 3427550), (98, 2623125), (105, 2448250), (125, 2056530), (147, 1748750), (150, 1713775), (175, 1468950), (210, 1224125), (245, 1049250), (250, 1028265), (294, 874375), (350, 734475), (375, 685510), (490, 524625), (525, 489650), (625, 411306), (735, 349750), (750, 342755), (875, 293790), (1050, 244825), (1225, 209850), (1250, 205653), (1399, 183750), (1470, 174875), (1750, 146895), (1875, 137102), (2450, 104925), (2625, 97930), (2798, 91875), (3675, 69950), (3750, 68551), (4197, 61250), (4375, 58758), (5250, 48965), (6125, 41970), (6995, 36750), (7350, 34975), (8394, 30625), (8750, 29379), (9793, 26250), (12250, 20985), (13125, 19586), (13990, 18375)]