74257820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40801}}^1$

素因数の和:40830

約数の個数: 48

約数和(自身を含む): 191932608

約数和(自身を除く): 117674788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 40801, 81602, 163204, 204005, 285607, 408010, 530413, 571214, 816020, 1060826, 1142428, 1428035, 2121652, 2652065, 2856070, 3712891, 5304130, 5712140, 7425782, 10608260, 14851564, 18564455, 37128910, 74257820]

約数ペア:

[(1, 74257820), (2, 37128910), (4, 18564455), (5, 14851564), (7, 10608260), (10, 7425782), (13, 5712140), (14, 5304130), (20, 3712891), (26, 2856070), (28, 2652065), (35, 2121652), (52, 1428035), (65, 1142428), (70, 1060826), (91, 816020), (130, 571214), (140, 530413), (182, 408010), (260, 285607), (364, 204005), (455, 163204), (910, 81602), (1820, 40801)]