71230000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 100

約数和(自身を含む): 183035160

約数和(自身を除く): 111805160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 419, 425, 500, 625, 680, 838, 850, 1000, 1250, 1360, 1676, 1700, 2000, 2095, 2125, 2500, 3352, 3400, 4190, 4250, 5000, 6704, 6800, 7123, 8380, 8500, 10000, 10475, 10625, 14246, 16760, 17000, 20950, 21250, 28492, 33520, 34000, 35615, 41900, 42500, 52375, 56984, 71230, 83800, 85000, 104750, 113968, 142460, 167600, 170000, 178075, 209500, 261875, 284920, 356150, 419000, 523750, 569840, 712300, 838000, 890375, 1047500, 1424600, 1780750, 2095000, 2849200, 3561500, 4190000, 4451875, 7123000, 8903750, 14246000, 17807500, 35615000, 71230000]

約数ペア:

[(1, 71230000), (2, 35615000), (4, 17807500), (5, 14246000), (8, 8903750), (10, 7123000), (16, 4451875), (17, 4190000), (20, 3561500), (25, 2849200), (34, 2095000), (40, 1780750), (50, 1424600), (68, 1047500), (80, 890375), (85, 838000), (100, 712300), (125, 569840), (136, 523750), (170, 419000), (200, 356150), (250, 284920), (272, 261875), (340, 209500), (400, 178075), (419, 170000), (425, 167600), (500, 142460), (625, 113968), (680, 104750), (838, 85000), (850, 83800), (1000, 71230), (1250, 56984), (1360, 52375), (1676, 42500), (1700, 41900), (2000, 35615), (2095, 34000), (2125, 33520), (2500, 28492), (3352, 21250), (3400, 20950), (4190, 17000), (4250, 16760), (5000, 14246), (6704, 10625), (6800, 10475), (7123, 10000), (8380, 8500)]