210365740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9091}}^1$

素因数の和:9202

約数の個数: 48

約数和(自身を含む): 481148640

約数和(自身を除く): 270782900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 9091, 11570, 18182, 23140, 36364, 45455, 90910, 118183, 181820, 236366, 472732, 590915, 809099, 1181830, 1618198, 2363660, 3236396, 4045495, 8090990, 10518287, 16181980, 21036574, 42073148, 52591435, 105182870, 210365740]

約数ペア:

[(1, 210365740), (2, 105182870), (4, 52591435), (5, 42073148), (10, 21036574), (13, 16181980), (20, 10518287), (26, 8090990), (52, 4045495), (65, 3236396), (89, 2363660), (130, 1618198), (178, 1181830), (260, 809099), (356, 590915), (445, 472732), (890, 236366), (1157, 181820), (1780, 118183), (2314, 90910), (4628, 45455), (5785, 36364), (9091, 23140), (11570, 18182)]