290389750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 676076544

約数和(自身を除く): 385686794

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 43, 50, 70, 85, 86, 119, 125, 170, 175, 215, 227, 238, 250, 301, 350, 425, 430, 454, 595, 602, 731, 850, 875, 1075, 1135, 1190, 1462, 1505, 1589, 1750, 2125, 2150, 2270, 2975, 3010, 3178, 3655, 3859, 4250, 5117, 5375, 5675, 5950, 7310, 7525, 7718, 7945, 9761, 10234, 10750, 11350, 14875, 15050, 15890, 18275, 19295, 19522, 25585, 27013, 28375, 29750, 36550, 37625, 38590, 39725, 48805, 51170, 54026, 56750, 68327, 75250, 79450, 91375, 96475, 97610, 127925, 135065, 136654, 165937, 182750, 192950, 198625, 244025, 255850, 270130, 331874, 341635, 397250, 482375, 488050, 639625, 675325, 683270, 829685, 964750, 1161559, 1220125, 1279250, 1350650, 1659370, 1708175, 2323118, 2440250, 3376625, 3416350, 4148425, 5807795, 6753250, 8296850, 8540875, 11615590, 17081750, 20742125, 29038975, 41484250, 58077950, 145194875, 290389750]

約数ペア:

[(1, 290389750), (2, 145194875), (5, 58077950), (7, 41484250), (10, 29038975), (14, 20742125), (17, 17081750), (25, 11615590), (34, 8540875), (35, 8296850), (43, 6753250), (50, 5807795), (70, 4148425), (85, 3416350), (86, 3376625), (119, 2440250), (125, 2323118), (170, 1708175), (175, 1659370), (215, 1350650), (227, 1279250), (238, 1220125), (250, 1161559), (301, 964750), (350, 829685), (425, 683270), (430, 675325), (454, 639625), (595, 488050), (602, 482375), (731, 397250), (850, 341635), (875, 331874), (1075, 270130), (1135, 255850), (1190, 244025), (1462, 198625), (1505, 192950), (1589, 182750), (1750, 165937), (2125, 136654), (2150, 135065), (2270, 127925), (2975, 97610), (3010, 96475), (3178, 91375), (3655, 79450), (3859, 75250), (4250, 68327), (5117, 56750), (5375, 54026), (5675, 51170), (5950, 48805), (7310, 39725), (7525, 38590), (7718, 37625), (7945, 36550), (9761, 29750), (10234, 28375), (10750, 27013), (11350, 25585), (14875, 19522), (15050, 19295), (15890, 18275)]