16392460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 41081040

約数和(自身を除く): 24688580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 389, 430, 490, 602, 778, 860, 980, 1204, 1505, 1556, 1945, 2107, 2723, 3010, 3890, 4214, 5446, 6020, 7780, 8428, 10535, 10892, 13615, 16727, 19061, 21070, 27230, 33454, 38122, 42140, 54460, 66908, 76244, 83635, 95305, 117089, 167270, 190610, 234178, 334540, 381220, 468356, 585445, 819623, 1170890, 1639246, 2341780, 3278492, 4098115, 8196230, 16392460]

約数ペア:

[(1, 16392460), (2, 8196230), (4, 4098115), (5, 3278492), (7, 2341780), (10, 1639246), (14, 1170890), (20, 819623), (28, 585445), (35, 468356), (43, 381220), (49, 334540), (70, 234178), (86, 190610), (98, 167270), (140, 117089), (172, 95305), (196, 83635), (215, 76244), (245, 66908), (301, 54460), (389, 42140), (430, 38122), (490, 33454), (602, 27230), (778, 21070), (860, 19061), (980, 16727), (1204, 13615), (1505, 10892), (1556, 10535), (1945, 8428), (2107, 7780), (2723, 6020), (3010, 5446), (3890, 4214)]