7471380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17789}}^1$

素因数の和:17808

約数の個数: 48

約数和(自身を含む): 23909760

約数和(自身を除く): 16438380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 17789, 35578, 53367, 71156, 88945, 106734, 124523, 177890, 213468, 249046, 266835, 355780, 373569, 498092, 533670, 622615, 747138, 1067340, 1245230, 1494276, 1867845, 2490460, 3735690, 7471380]

約数ペア:

[(1, 7471380), (2, 3735690), (3, 2490460), (4, 1867845), (5, 1494276), (6, 1245230), (7, 1067340), (10, 747138), (12, 622615), (14, 533670), (15, 498092), (20, 373569), (21, 355780), (28, 266835), (30, 249046), (35, 213468), (42, 177890), (60, 124523), (70, 106734), (84, 88945), (105, 71156), (140, 53367), (210, 35578), (420, 17789)]