131744470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 280687680

約数和(自身を除く): 148943210

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 181, 286, 362, 509, 715, 905, 1018, 1430, 1810, 1991, 2353, 2545, 3982, 4706, 5090, 5599, 6617, 9955, 11198, 11765, 13234, 19910, 23530, 25883, 27995, 33085, 51766, 55990, 66170, 72787, 92129, 129415, 145574, 184258, 258830, 363935, 460645, 727870, 921290, 1013419, 1197677, 2026838, 2395354, 5067095, 5988385, 10134190, 11976770, 13174447, 26348894, 65872235, 131744470]

約数ペア:

[(1, 131744470), (2, 65872235), (5, 26348894), (10, 13174447), (11, 11976770), (13, 10134190), (22, 5988385), (26, 5067095), (55, 2395354), (65, 2026838), (110, 1197677), (130, 1013419), (143, 921290), (181, 727870), (286, 460645), (362, 363935), (509, 258830), (715, 184258), (905, 145574), (1018, 129415), (1430, 92129), (1810, 72787), (1991, 66170), (2353, 55990), (2545, 51766), (3982, 33085), (4706, 27995), (5090, 25883), (5599, 23530), (6617, 19910), (9955, 13234), (11198, 11765)]