74739925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 104993280

約数和(自身を除く): 30253355

約数列:

[1, 5, 13, 25, 41, 65, 71, 79, 205, 325, 355, 395, 533, 923, 1025, 1027, 1775, 1975, 2665, 2911, 3239, 4615, 5135, 5609, 13325, 14555, 16195, 23075, 25675, 28045, 37843, 42107, 72775, 72917, 80975, 140225, 189215, 210535, 229969, 364585, 946075, 1052675, 1149845, 1822925, 2989597, 5749225, 14947985, 74739925]

約数ペア:

[(1, 74739925), (5, 14947985), (13, 5749225), (25, 2989597), (41, 1822925), (65, 1149845), (71, 1052675), (79, 946075), (205, 364585), (325, 229969), (355, 210535), (395, 189215), (533, 140225), (923, 80975), (1025, 72917), (1027, 72775), (1775, 42107), (1975, 37843), (2665, 28045), (2911, 25675), (3239, 23075), (4615, 16195), (5135, 14555), (5609, 13325)]