289079000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:766

約数の個数: 128

約数和(自身を含む): 786913920

約数和(自身を除く): 497834920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 61, 70, 100, 122, 125, 140, 175, 200, 244, 250, 280, 305, 350, 427, 488, 500, 610, 677, 700, 854, 875, 1000, 1220, 1354, 1400, 1525, 1708, 1750, 2135, 2440, 2708, 3050, 3385, 3416, 3500, 4270, 4739, 5416, 6100, 6770, 7000, 7625, 8540, 9478, 10675, 12200, 13540, 15250, 16925, 17080, 18956, 21350, 23695, 27080, 30500, 33850, 37912, 41297, 42700, 47390, 53375, 61000, 67700, 82594, 84625, 85400, 94780, 106750, 118475, 135400, 165188, 169250, 189560, 206485, 213500, 236950, 289079, 330376, 338500, 412970, 427000, 473900, 578158, 592375, 677000, 825940, 947800, 1032425, 1156316, 1184750, 1445395, 1651880, 2064850, 2312632, 2369500, 2890790, 4129700, 4739000, 5162125, 5781580, 7226975, 8259400, 10324250, 11563160, 14453950, 20648500, 28907900, 36134875, 41297000, 57815800, 72269750, 144539500, 289079000]

約数ペア:

[(1, 289079000), (2, 144539500), (4, 72269750), (5, 57815800), (7, 41297000), (8, 36134875), (10, 28907900), (14, 20648500), (20, 14453950), (25, 11563160), (28, 10324250), (35, 8259400), (40, 7226975), (50, 5781580), (56, 5162125), (61, 4739000), (70, 4129700), (100, 2890790), (122, 2369500), (125, 2312632), (140, 2064850), (175, 1651880), (200, 1445395), (244, 1184750), (250, 1156316), (280, 1032425), (305, 947800), (350, 825940), (427, 677000), (488, 592375), (500, 578158), (610, 473900), (677, 427000), (700, 412970), (854, 338500), (875, 330376), (1000, 289079), (1220, 236950), (1354, 213500), (1400, 206485), (1525, 189560), (1708, 169250), (1750, 165188), (2135, 135400), (2440, 118475), (2708, 106750), (3050, 94780), (3385, 85400), (3416, 84625), (3500, 82594), (4270, 67700), (4739, 61000), (5416, 53375), (6100, 47390), (6770, 42700), (7000, 41297), (7625, 37912), (8540, 33850), (9478, 30500), (10675, 27080), (12200, 23695), (13540, 21350), (15250, 18956), (16925, 17080)]