19410000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 100

約数和(自身を含む): 62754912

約数和(自身を除く): 43344912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 647, 750, 1000, 1200, 1250, 1294, 1500, 1875, 1941, 2000, 2500, 2588, 3000, 3235, 3750, 3882, 5000, 5176, 6000, 6470, 7500, 7764, 9705, 10000, 10352, 12940, 15000, 15528, 16175, 19410, 25880, 30000, 31056, 32350, 38820, 48525, 51760, 64700, 77640, 80875, 97050, 129400, 155280, 161750, 194100, 242625, 258800, 323500, 388200, 404375, 485250, 647000, 776400, 808750, 970500, 1213125, 1294000, 1617500, 1941000, 2426250, 3235000, 3882000, 4852500, 6470000, 9705000, 19410000]

約数ペア:

[(1, 19410000), (2, 9705000), (3, 6470000), (4, 4852500), (5, 3882000), (6, 3235000), (8, 2426250), (10, 1941000), (12, 1617500), (15, 1294000), (16, 1213125), (20, 970500), (24, 808750), (25, 776400), (30, 647000), (40, 485250), (48, 404375), (50, 388200), (60, 323500), (75, 258800), (80, 242625), (100, 194100), (120, 161750), (125, 155280), (150, 129400), (200, 97050), (240, 80875), (250, 77640), (300, 64700), (375, 51760), (400, 48525), (500, 38820), (600, 32350), (625, 31056), (647, 30000), (750, 25880), (1000, 19410), (1200, 16175), (1250, 15528), (1294, 15000), (1500, 12940), (1875, 10352), (1941, 10000), (2000, 9705), (2500, 7764), (2588, 7500), (3000, 6470), (3235, 6000), (3750, 5176), (3882, 5000)]