31903000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 76021920

約数和(自身を除く): 44118920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 488, 500, 523, 610, 1000, 1046, 1220, 1525, 2092, 2440, 2615, 3050, 4184, 5230, 6100, 7625, 10460, 12200, 13075, 15250, 20920, 26150, 30500, 31903, 52300, 61000, 63806, 65375, 104600, 127612, 130750, 159515, 255224, 261500, 319030, 523000, 638060, 797575, 1276120, 1595150, 3190300, 3987875, 6380600, 7975750, 15951500, 31903000]

約数ペア:

[(1, 31903000), (2, 15951500), (4, 7975750), (5, 6380600), (8, 3987875), (10, 3190300), (20, 1595150), (25, 1276120), (40, 797575), (50, 638060), (61, 523000), (100, 319030), (122, 261500), (125, 255224), (200, 159515), (244, 130750), (250, 127612), (305, 104600), (488, 65375), (500, 63806), (523, 61000), (610, 52300), (1000, 31903), (1046, 30500), (1220, 26150), (1525, 20920), (2092, 15250), (2440, 13075), (2615, 12200), (3050, 10460), (4184, 7625), (5230, 6100)]