219325925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 364476672

約数和(自身を除く): 145150747

約数列:

[1, 5, 7, 13, 17, 25, 35, 53, 65, 85, 91, 107, 119, 175, 221, 265, 325, 371, 425, 455, 535, 595, 689, 749, 901, 1105, 1325, 1391, 1547, 1819, 1855, 2275, 2675, 2975, 3445, 3745, 4505, 4823, 5525, 5671, 6307, 6955, 7735, 9095, 9275, 9737, 11713, 12733, 17225, 18725, 22525, 23647, 24115, 28355, 31535, 34775, 38675, 39697, 45475, 48685, 58565, 63665, 73723, 81991, 96407, 118235, 120575, 141775, 157675, 165529, 198485, 243425, 292825, 318325, 368615, 409955, 482035, 516061, 591175, 674849, 827645, 992425, 1253291, 1843075, 2049775, 2410175, 2580305, 3374245, 4138225, 6266455, 8773037, 12901525, 16871225, 31332275, 43865185, 219325925]

約数ペア:

[(1, 219325925), (5, 43865185), (7, 31332275), (13, 16871225), (17, 12901525), (25, 8773037), (35, 6266455), (53, 4138225), (65, 3374245), (85, 2580305), (91, 2410175), (107, 2049775), (119, 1843075), (175, 1253291), (221, 992425), (265, 827645), (325, 674849), (371, 591175), (425, 516061), (455, 482035), (535, 409955), (595, 368615), (689, 318325), (749, 292825), (901, 243425), (1105, 198485), (1325, 165529), (1391, 157675), (1547, 141775), (1819, 120575), (1855, 118235), (2275, 96407), (2675, 81991), (2975, 73723), (3445, 63665), (3745, 58565), (4505, 48685), (4823, 45475), (5525, 39697), (5671, 38675), (6307, 34775), (6955, 31535), (7735, 28355), (9095, 24115), (9275, 23647), (9737, 22525), (11713, 18725), (12733, 17225)]