917994500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1470

約数の個数: 96

約数和(自身を含む): 2141717760

約数和(自身を除く): 1223723260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 125, 142, 190, 250, 284, 355, 380, 475, 500, 710, 950, 1349, 1361, 1420, 1775, 1900, 2375, 2698, 2722, 3550, 4750, 5396, 5444, 6745, 6805, 7100, 8875, 9500, 13490, 13610, 17750, 25859, 26980, 27220, 33725, 34025, 35500, 51718, 67450, 68050, 96631, 103436, 129295, 134900, 136100, 168625, 170125, 193262, 258590, 337250, 340250, 386524, 483155, 517180, 646475, 674500, 680500, 966310, 1292950, 1835989, 1932620, 2415775, 2585900, 3232375, 3671978, 4831550, 6464750, 7343956, 9179945, 9663100, 12078875, 12929500, 18359890, 24157750, 36719780, 45899725, 48315500, 91799450, 183598900, 229498625, 458997250, 917994500]

約数ペア:

[(1, 917994500), (2, 458997250), (4, 229498625), (5, 183598900), (10, 91799450), (19, 48315500), (20, 45899725), (25, 36719780), (38, 24157750), (50, 18359890), (71, 12929500), (76, 12078875), (95, 9663100), (100, 9179945), (125, 7343956), (142, 6464750), (190, 4831550), (250, 3671978), (284, 3232375), (355, 2585900), (380, 2415775), (475, 1932620), (500, 1835989), (710, 1292950), (950, 966310), (1349, 680500), (1361, 674500), (1420, 646475), (1775, 517180), (1900, 483155), (2375, 386524), (2698, 340250), (2722, 337250), (3550, 258590), (4750, 193262), (5396, 170125), (5444, 168625), (6745, 136100), (6805, 134900), (7100, 129295), (8875, 103436), (9500, 96631), (13490, 68050), (13610, 67450), (17750, 51718), (25859, 35500), (26980, 34025), (27220, 33725)]