279667780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{5659}}^1$

素因数の和:6028

約数の個数: 48

約数和(自身を含む): 673223040

約数和(自身を除く): 393555260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3530, 4942, 5659, 7060, 9884, 11318, 12355, 22636, 24710, 28295, 39613, 49420, 56590, 79226, 113180, 158452, 198065, 396130, 792260, 1997627, 3995254, 7990508, 9988135, 13983389, 19976270, 27966778, 39952540, 55933556, 69916945, 139833890, 279667780]

約数ペア:

[(1, 279667780), (2, 139833890), (4, 69916945), (5, 55933556), (7, 39952540), (10, 27966778), (14, 19976270), (20, 13983389), (28, 9988135), (35, 7990508), (70, 3995254), (140, 1997627), (353, 792260), (706, 396130), (1412, 198065), (1765, 158452), (2471, 113180), (3530, 79226), (4942, 56590), (5659, 49420), (7060, 39613), (9884, 28295), (11318, 24710), (12355, 22636)]