2787140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 6265728

約数和(自身を除く): 3478588

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 83, 92, 115, 146, 166, 230, 292, 332, 365, 415, 460, 730, 830, 1460, 1660, 1679, 1909, 3358, 3818, 6059, 6716, 7636, 8395, 9545, 12118, 16790, 19090, 24236, 30295, 33580, 38180, 60590, 121180, 139357, 278714, 557428, 696785, 1393570, 2787140]

約数ペア:

[(1, 2787140), (2, 1393570), (4, 696785), (5, 557428), (10, 278714), (20, 139357), (23, 121180), (46, 60590), (73, 38180), (83, 33580), (92, 30295), (115, 24236), (146, 19090), (166, 16790), (230, 12118), (292, 9545), (332, 8395), (365, 7636), (415, 6716), (460, 6059), (730, 3818), (830, 3358), (1460, 1909), (1660, 1679)]