7213700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 17498880

約数和(自身を除く): 10285180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 179, 260, 310, 325, 358, 403, 620, 650, 716, 775, 806, 895, 1300, 1550, 1612, 1790, 2015, 2327, 3100, 3580, 4030, 4475, 4654, 5549, 8060, 8950, 9308, 10075, 11098, 11635, 17900, 20150, 22196, 23270, 27745, 40300, 46540, 55490, 58175, 72137, 110980, 116350, 138725, 144274, 232700, 277450, 288548, 360685, 554900, 721370, 1442740, 1803425, 3606850, 7213700]

約数ペア:

[(1, 7213700), (2, 3606850), (4, 1803425), (5, 1442740), (10, 721370), (13, 554900), (20, 360685), (25, 288548), (26, 277450), (31, 232700), (50, 144274), (52, 138725), (62, 116350), (65, 110980), (100, 72137), (124, 58175), (130, 55490), (155, 46540), (179, 40300), (260, 27745), (310, 23270), (325, 22196), (358, 20150), (403, 17900), (620, 11635), (650, 11098), (716, 10075), (775, 9308), (806, 8950), (895, 8060), (1300, 5549), (1550, 4654), (1612, 4475), (1790, 4030), (2015, 3580), (2327, 3100)]