20155247000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{1307}}^1\times {\mathrm{2203}}^1$

素因数の和:3538

約数の個数: 128

約数和(自身を含む): 53966615040

約数和(自身を除く): 33811368040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1307, 1400, 1750, 2203, 2614, 3500, 4406, 5228, 6535, 7000, 8812, 9149, 10456, 11015, 13070, 15421, 17624, 18298, 22030, 26140, 30842, 32675, 36596, 44060, 45745, 52280, 55075, 61684, 65350, 73192, 77105, 88120, 91490, 110150, 123368, 130700, 154210, 163375, 182980, 220300, 228725, 261400, 275375, 308420, 326750, 365960, 385525, 440600, 457450, 550750, 616840, 653500, 771050, 914900, 1101500, 1143625, 1307000, 1542100, 1829800, 1927625, 2203000, 2287250, 2879321, 3084200, 3855250, 4574500, 5758642, 7710500, 9149000, 11517284, 14396605, 15421000, 20155247, 23034568, 28793210, 40310494, 57586420, 71983025, 80620988, 100776235, 115172840, 143966050, 161241976, 201552470, 287932100, 359915125, 403104940, 503881175, 575864200, 719830250, 806209880, 1007762350, 1439660500, 2015524700, 2519405875, 2879321000, 4031049400, 5038811750, 10077623500, 20155247000]

約数ペア:

[(1, 20155247000), (2, 10077623500), (4, 5038811750), (5, 4031049400), (7, 2879321000), (8, 2519405875), (10, 2015524700), (14, 1439660500), (20, 1007762350), (25, 806209880), (28, 719830250), (35, 575864200), (40, 503881175), (50, 403104940), (56, 359915125), (70, 287932100), (100, 201552470), (125, 161241976), (140, 143966050), (175, 115172840), (200, 100776235), (250, 80620988), (280, 71983025), (350, 57586420), (500, 40310494), (700, 28793210), (875, 23034568), (1000, 20155247), (1307, 15421000), (1400, 14396605), (1750, 11517284), (2203, 9149000), (2614, 7710500), (3500, 5758642), (4406, 4574500), (5228, 3855250), (6535, 3084200), (7000, 2879321), (8812, 2287250), (9149, 2203000), (10456, 1927625), (11015, 1829800), (13070, 1542100), (15421, 1307000), (17624, 1143625), (18298, 1101500), (22030, 914900), (26140, 771050), (30842, 653500), (32675, 616840), (36596, 550750), (44060, 457450), (45745, 440600), (52280, 385525), (55075, 365960), (61684, 326750), (65350, 308420), (73192, 275375), (77105, 261400), (88120, 228725), (91490, 220300), (110150, 182980), (123368, 163375), (130700, 154210)]