19954500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 39485244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 100, 106, 125, 150, 159, 212, 250, 251, 265, 300, 318, 375, 500, 502, 530, 636, 750, 753, 795, 1004, 1060, 1255, 1325, 1500, 1506, 1590, 2510, 2650, 3012, 3180, 3765, 3975, 5020, 5300, 6275, 6625, 7530, 7950, 12550, 13250, 13303, 15060, 15900, 18825, 19875, 25100, 26500, 26606, 31375, 37650, 39750, 39909, 53212, 62750, 66515, 75300, 79500, 79818, 94125, 125500, 133030, 159636, 188250, 199545, 266060, 332575, 376500, 399090, 665150, 798180, 997725, 1330300, 1662875, 1995450, 3325750, 3990900, 4988625, 6651500, 9977250, 19954500]

約数ペア:

[(1, 19954500), (2, 9977250), (3, 6651500), (4, 4988625), (5, 3990900), (6, 3325750), (10, 1995450), (12, 1662875), (15, 1330300), (20, 997725), (25, 798180), (30, 665150), (50, 399090), (53, 376500), (60, 332575), (75, 266060), (100, 199545), (106, 188250), (125, 159636), (150, 133030), (159, 125500), (212, 94125), (250, 79818), (251, 79500), (265, 75300), (300, 66515), (318, 62750), (375, 53212), (500, 39909), (502, 39750), (530, 37650), (636, 31375), (750, 26606), (753, 26500), (795, 25100), (1004, 19875), (1060, 18825), (1255, 15900), (1325, 15060), (1500, 13303), (1506, 13250), (1590, 12550), (2510, 7950), (2650, 7530), (3012, 6625), (3180, 6275), (3765, 5300), (3975, 5020)]