289900460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{1511}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 624117312

約数和(自身を除く): 334216852

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 181, 212, 265, 362, 530, 724, 905, 1060, 1511, 1810, 3022, 3620, 6044, 7555, 9593, 15110, 19186, 30220, 38372, 47965, 80083, 95930, 160166, 191860, 273491, 320332, 400415, 546982, 800830, 1093964, 1367455, 1601660, 2734910, 5469820, 14495023, 28990046, 57980092, 72475115, 144950230, 289900460]

約数ペア:

[(1, 289900460), (2, 144950230), (4, 72475115), (5, 57980092), (10, 28990046), (20, 14495023), (53, 5469820), (106, 2734910), (181, 1601660), (212, 1367455), (265, 1093964), (362, 800830), (530, 546982), (724, 400415), (905, 320332), (1060, 273491), (1511, 191860), (1810, 160166), (3022, 95930), (3620, 80083), (6044, 47965), (7555, 38372), (9593, 30220), (15110, 19186)]