394505040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4019}}^1$

素因数の和:4444

約数の個数: 80

約数和(自身を含む): 1226260800

約数和(自身を除く): 831755760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 409, 818, 1227, 1636, 2045, 2454, 3272, 4019, 4090, 4908, 6135, 6544, 8038, 8180, 9816, 12057, 12270, 16076, 16360, 19632, 20095, 24114, 24540, 32152, 32720, 40190, 48228, 49080, 60285, 64304, 80380, 96456, 98160, 120570, 160760, 192912, 241140, 321520, 482280, 964560, 1643771, 3287542, 4931313, 6575084, 8218855, 9862626, 13150168, 16437710, 19725252, 24656565, 26300336, 32875420, 39450504, 49313130, 65750840, 78901008, 98626260, 131501680, 197252520, 394505040]

約数ペア:

[(1, 394505040), (2, 197252520), (3, 131501680), (4, 98626260), (5, 78901008), (6, 65750840), (8, 49313130), (10, 39450504), (12, 32875420), (15, 26300336), (16, 24656565), (20, 19725252), (24, 16437710), (30, 13150168), (40, 9862626), (48, 8218855), (60, 6575084), (80, 4931313), (120, 3287542), (240, 1643771), (409, 964560), (818, 482280), (1227, 321520), (1636, 241140), (2045, 192912), (2454, 160760), (3272, 120570), (4019, 98160), (4090, 96456), (4908, 80380), (6135, 64304), (6544, 60285), (8038, 49080), (8180, 48228), (9816, 40190), (12057, 32720), (12270, 32152), (16076, 24540), (16360, 24114), (19632, 20095)]