18888101000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{739}}^1$

素因数の和:1240

約数の個数: 128

約数和(自身を含む): 45090864000

約数和(自身を除く): 26202763000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 419, 488, 500, 610, 739, 838, 1000, 1220, 1478, 1525, 1676, 2095, 2440, 2956, 3050, 3352, 3695, 4190, 5912, 6100, 7390, 7625, 8380, 10475, 12200, 14780, 15250, 16760, 18475, 20950, 25559, 29560, 30500, 36950, 41900, 45079, 51118, 52375, 61000, 73900, 83800, 90158, 92375, 102236, 104750, 127795, 147800, 180316, 184750, 204472, 209500, 225395, 255590, 309641, 360632, 369500, 419000, 450790, 511180, 619282, 638975, 739000, 901580, 1022360, 1126975, 1238564, 1277950, 1548205, 1803160, 2253950, 2477128, 2555900, 3096410, 3194875, 4507900, 5111800, 5634875, 6192820, 6389750, 7741025, 9015800, 11269750, 12385640, 12779500, 15482050, 18888101, 22539500, 25559000, 30964100, 37776202, 38705125, 45079000, 61928200, 75552404, 77410250, 94440505, 151104808, 154820500, 188881010, 309641000, 377762020, 472202525, 755524040, 944405050, 1888810100, 2361012625, 3777620200, 4722025250, 9444050500, 18888101000]

約数ペア:

[(1, 18888101000), (2, 9444050500), (4, 4722025250), (5, 3777620200), (8, 2361012625), (10, 1888810100), (20, 944405050), (25, 755524040), (40, 472202525), (50, 377762020), (61, 309641000), (100, 188881010), (122, 154820500), (125, 151104808), (200, 94440505), (244, 77410250), (250, 75552404), (305, 61928200), (419, 45079000), (488, 38705125), (500, 37776202), (610, 30964100), (739, 25559000), (838, 22539500), (1000, 18888101), (1220, 15482050), (1478, 12779500), (1525, 12385640), (1676, 11269750), (2095, 9015800), (2440, 7741025), (2956, 6389750), (3050, 6192820), (3352, 5634875), (3695, 5111800), (4190, 4507900), (5912, 3194875), (6100, 3096410), (7390, 2555900), (7625, 2477128), (8380, 2253950), (10475, 1803160), (12200, 1548205), (14780, 1277950), (15250, 1238564), (16760, 1126975), (18475, 1022360), (20950, 901580), (25559, 739000), (29560, 638975), (30500, 619282), (36950, 511180), (41900, 450790), (45079, 419000), (51118, 369500), (52375, 360632), (61000, 309641), (73900, 255590), (83800, 225395), (90158, 209500), (92375, 204472), (102236, 184750), (104750, 180316), (127795, 147800)]