205901980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2473}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 453870144

約数和(自身を除く): 247968164

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 724, 905, 1810, 2473, 3620, 4163, 4946, 8326, 9892, 12365, 16652, 20815, 24730, 41630, 49460, 56879, 83260, 113758, 227516, 284395, 447613, 568790, 895226, 1137580, 1790452, 2238065, 4476130, 8952260, 10295099, 20590198, 41180396, 51475495, 102950990, 205901980]

約数ペア:

[(1, 205901980), (2, 102950990), (4, 51475495), (5, 41180396), (10, 20590198), (20, 10295099), (23, 8952260), (46, 4476130), (92, 2238065), (115, 1790452), (181, 1137580), (230, 895226), (362, 568790), (460, 447613), (724, 284395), (905, 227516), (1810, 113758), (2473, 83260), (3620, 56879), (4163, 49460), (4946, 41630), (8326, 24730), (9892, 20815), (12365, 16652)]