282100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 777728

約数和(自身を除く): 495628

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 310, 325, 350, 364, 403, 434, 455, 620, 650, 700, 775, 806, 868, 910, 1085, 1300, 1550, 1612, 1820, 2015, 2170, 2275, 2821, 3100, 4030, 4340, 4550, 5425, 5642, 8060, 9100, 10075, 10850, 11284, 14105, 20150, 21700, 28210, 40300, 56420, 70525, 141050, 282100]

約数ペア:

[(1, 282100), (2, 141050), (4, 70525), (5, 56420), (7, 40300), (10, 28210), (13, 21700), (14, 20150), (20, 14105), (25, 11284), (26, 10850), (28, 10075), (31, 9100), (35, 8060), (50, 5642), (52, 5425), (62, 4550), (65, 4340), (70, 4030), (91, 3100), (100, 2821), (124, 2275), (130, 2170), (140, 2015), (155, 1820), (175, 1612), (182, 1550), (217, 1300), (260, 1085), (310, 910), (325, 868), (350, 806), (364, 775), (403, 700), (434, 650), (455, 620)]