72735910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 143144064

約数和(自身を除く): 70408154

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 193, 223, 338, 386, 446, 845, 965, 1115, 1690, 1930, 2230, 2509, 2899, 5018, 5798, 12545, 14495, 25090, 28990, 32617, 37687, 43039, 65234, 75374, 86078, 163085, 188435, 215195, 326170, 376870, 430390, 559507, 1119014, 2797535, 5595070, 7273591, 14547182, 36367955, 72735910]

約数ペア:

[(1, 72735910), (2, 36367955), (5, 14547182), (10, 7273591), (13, 5595070), (26, 2797535), (65, 1119014), (130, 559507), (169, 430390), (193, 376870), (223, 326170), (338, 215195), (386, 188435), (446, 163085), (845, 86078), (965, 75374), (1115, 65234), (1690, 43039), (1930, 37687), (2230, 32617), (2509, 28990), (2899, 25090), (5018, 14495), (5798, 12545)]