2018212625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4909}}^1$

素因数の和:4971

約数の個数: 64

約数和(自身を含む): 3088350720

約数和(自身を除く): 1070138095

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 125, 143, 253, 275, 299, 325, 575, 715, 1265, 1375, 1495, 1625, 2875, 3289, 3575, 4909, 6325, 7475, 16445, 17875, 24545, 31625, 37375, 53999, 63817, 82225, 112907, 122725, 269995, 319085, 411125, 564535, 613625, 701987, 1241977, 1349975, 1467791, 1595425, 2822675, 3509935, 6209885, 6749875, 7338955, 7977125, 14113375, 16145701, 17549675, 31049425, 36694775, 80728505, 87748375, 155247125, 183473875, 403642525, 2018212625]

約数ペア:

[(1, 2018212625), (5, 403642525), (11, 183473875), (13, 155247125), (23, 87748375), (25, 80728505), (55, 36694775), (65, 31049425), (115, 17549675), (125, 16145701), (143, 14113375), (253, 7977125), (275, 7338955), (299, 6749875), (325, 6209885), (575, 3509935), (715, 2822675), (1265, 1595425), (1375, 1467791), (1495, 1349975), (1625, 1241977), (2875, 701987), (3289, 613625), (3575, 564535), (4909, 411125), (6325, 319085), (7475, 269995), (16445, 122725), (17875, 112907), (24545, 82225), (31625, 63817), (37375, 53999)]