291328700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7287

約数の個数: 72

約数和(自身を含む): 702871680

約数和(自身を除く): 411542980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 7229, 8060, 10075, 14458, 20150, 28916, 36145, 40300, 72290, 93977, 144580, 180725, 187954, 224099, 361450, 375908, 448198, 469885, 722900, 896396, 939770, 1120495, 1879540, 2240990, 2349425, 2913287, 4481980, 4698850, 5602475, 5826574, 9397700, 11204950, 11653148, 14566435, 22409900, 29132870, 58265740, 72832175, 145664350, 291328700]

約数ペア:

[(1, 291328700), (2, 145664350), (4, 72832175), (5, 58265740), (10, 29132870), (13, 22409900), (20, 14566435), (25, 11653148), (26, 11204950), (31, 9397700), (50, 5826574), (52, 5602475), (62, 4698850), (65, 4481980), (100, 2913287), (124, 2349425), (130, 2240990), (155, 1879540), (260, 1120495), (310, 939770), (325, 896396), (403, 722900), (620, 469885), (650, 448198), (775, 375908), (806, 361450), (1300, 224099), (1550, 187954), (1612, 180725), (2015, 144580), (3100, 93977), (4030, 72290), (7229, 40300), (8060, 36145), (10075, 28916), (14458, 20150)]