149210480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45491}}^1$

素因数の和:45545

約数の個数: 40

約数和(自身を含む): 355383504

約数和(自身を除く): 206173024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 45491, 90982, 181964, 227455, 363928, 454910, 727856, 909820, 1819640, 1865131, 3639280, 3730262, 7460524, 9325655, 14921048, 18651310, 29842096, 37302620, 74605240, 149210480]

約数ペア:

[(1, 149210480), (2, 74605240), (4, 37302620), (5, 29842096), (8, 18651310), (10, 14921048), (16, 9325655), (20, 7460524), (40, 3730262), (41, 3639280), (80, 1865131), (82, 1819640), (164, 909820), (205, 727856), (328, 454910), (410, 363928), (656, 227455), (820, 181964), (1640, 90982), (3280, 45491)]