28250300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 68245632

約数和(自身を除く): 39995332

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, 701, 775, 806, 1300, 1402, 1550, 1612, 2015, 2804, 3100, 3505, 4030, 7010, 8060, 9113, 10075, 14020, 17525, 18226, 20150, 21731, 35050, 36452, 40300, 43462, 45565, 70100, 86924, 91130, 108655, 182260, 217310, 227825, 282503, 434620, 455650, 543275, 565006, 911300, 1086550, 1130012, 1412515, 2173100, 2825030, 5650060, 7062575, 14125150, 28250300]

約数ペア:

[(1, 28250300), (2, 14125150), (4, 7062575), (5, 5650060), (10, 2825030), (13, 2173100), (20, 1412515), (25, 1130012), (26, 1086550), (31, 911300), (50, 565006), (52, 543275), (62, 455650), (65, 434620), (100, 282503), (124, 227825), (130, 217310), (155, 182260), (260, 108655), (310, 91130), (325, 86924), (403, 70100), (620, 45565), (650, 43462), (701, 40300), (775, 36452), (806, 35050), (1300, 21731), (1402, 20150), (1550, 18226), (1612, 17525), (2015, 14020), (2804, 10075), (3100, 9113), (3505, 8060), (4030, 7010)]